Home / 1,034,639.92-1,427,927.38-626,729.78

Finding the Fourth Proportional to 1,034,639.92, 1,427,927.38 and 626,729.78

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Solution

The fourth proportional to 1,034,639.92, 1,427,927.38 and 626,729.78 is: 864,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,639.92 : 1,427,927.38 = 626,729.78 : x
  2. Step 2: Convert to fraction form
    1,034,639.92/1,427,927.38 = 626,729.78/x
  3. Step 3: Cross multiply
    1,034,639.92x = 1,427,927.38 × 626,729.78
  4. Step 4: Simplify right side
    1,034,639.92x = 894,924,612,723.38
  5. Step 5: Solve for x
    x = 894,924,612,723.38/1,034,639.92
  6. Step 6: Final answer
    x = 864,962.38

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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.