Home / 1,580,459.38-2,181,034.15-855,307.28

Finding the Fourth Proportional to 1,580,459.38, 2,181,034.15 and 855,307.28

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Solution

The fourth proportional to 1,580,459.38, 2,181,034.15 and 855,307.28 is: 1,180,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,459.38 : 2,181,034.15 = 855,307.28 : x
  2. Step 2: Convert to fraction form
    1,580,459.38/2,181,034.15 = 855,307.28/x
  3. Step 3: Cross multiply
    1,580,459.38x = 2,181,034.15 × 855,307.28
  4. Step 4: Simplify right side
    1,580,459.38x = 1,865,454,389,737.93
  5. Step 5: Solve for x
    x = 1,865,454,389,737.93/1,580,459.38
  6. Step 6: Final answer
    x = 1,180,324.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.