Home / 1,031,382.80-1,423,286.16-572,470.64

Finding the Fourth Proportional to 1,031,382.80, 1,423,286.16 and 572,470.64

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Solution

The fourth proportional to 1,031,382.80, 1,423,286.16 and 572,470.64 is: 789,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,382.80 : 1,423,286.16 = 572,470.64 : x
  2. Step 2: Convert to fraction form
    1,031,382.80/1,423,286.16 = 572,470.64/x
  3. Step 3: Cross multiply
    1,031,382.80x = 1,423,286.16 × 572,470.64
  4. Step 4: Simplify right side
    1,031,382.80x = 814,789,538,918.34
  5. Step 5: Solve for x
    x = 814,789,538,918.34/1,031,382.80
  6. Step 6: Final answer
    x = 789,997.21

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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.