Home / 1,016,939.20-1,524,810.48-385,897.28

Finding the Fourth Proportional to 1,016,939.20, 1,524,810.48 and 385,897.28

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Solution

The fourth proportional to 1,016,939.20, 1,524,810.48 and 385,897.28 is: 578,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,939.20 : 1,524,810.48 = 385,897.28 : x
  2. Step 2: Convert to fraction form
    1,016,939.20/1,524,810.48 = 385,897.28/x
  3. Step 3: Cross multiply
    1,016,939.20x = 1,524,810.48 × 385,897.28
  4. Step 4: Simplify right side
    1,016,939.20x = 588,420,216,747.49
  5. Step 5: Solve for x
    x = 588,420,216,747.49/1,016,939.20
  6. Step 6: Final answer
    x = 578,618.88

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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.