Home / 1,040,756.20-1,561,134.30-292,802.20

Finding the Fourth Proportional to 1,040,756.20, 1,561,134.30 and 292,802.20

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Solution

The fourth proportional to 1,040,756.20, 1,561,134.30 and 292,802.20 is: 439,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,756.20 : 1,561,134.30 = 292,802.20 : x
  2. Step 2: Convert to fraction form
    1,040,756.20/1,561,134.30 = 292,802.20/x
  3. Step 3: Cross multiply
    1,040,756.20x = 1,561,134.30 × 292,802.20
  4. Step 4: Simplify right side
    1,040,756.20x = 457,103,557,535.46
  5. Step 5: Solve for x
    x = 457,103,557,535.46/1,040,756.20
  6. Step 6: Final answer
    x = 439,203.30

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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.