Home / 1,040,319.83-1,560,479.75-292,365.83

Finding the Fourth Proportional to 1,040,319.83, 1,560,479.75 and 292,365.83

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Solution

The fourth proportional to 1,040,319.83, 1,560,479.75 and 292,365.83 is: 438,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,319.83 : 1,560,479.75 = 292,365.83 : x
  2. Step 2: Convert to fraction form
    1,040,319.83/1,560,479.75 = 292,365.83/x
  3. Step 3: Cross multiply
    1,040,319.83x = 1,560,479.75 × 292,365.83
  4. Step 4: Simplify right side
    1,040,319.83x = 456,230,959,746.31
  5. Step 5: Solve for x
    x = 456,230,959,746.31/1,040,319.83
  6. Step 6: Final answer
    x = 438,548.75

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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.