Home / 1,040,431.54-1,560,647.31-292,477.54

Finding the Fourth Proportional to 1,040,431.54, 1,560,647.31 and 292,477.54

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Solution

The fourth proportional to 1,040,431.54, 1,560,647.31 and 292,477.54 is: 438,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,431.54 : 1,560,647.31 = 292,477.54 : x
  2. Step 2: Convert to fraction form
    1,040,431.54/1,560,647.31 = 292,477.54/x
  3. Step 3: Cross multiply
    1,040,431.54x = 1,560,647.31 × 292,477.54
  4. Step 4: Simplify right side
    1,040,431.54x = 456,454,286,036.42
  5. Step 5: Solve for x
    x = 456,454,286,036.42/1,040,431.54
  6. Step 6: Final answer
    x = 438,716.31

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.