Home / 1,002,001.20-1,503,001.80-942,952.20

Finding the Fourth Proportional to 1,002,001.20, 1,503,001.80 and 942,952.20

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Solution

The fourth proportional to 1,002,001.20, 1,503,001.80 and 942,952.20 is: 1,414,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,001.20 : 1,503,001.80 = 942,952.20 : x
  2. Step 2: Convert to fraction form
    1,002,001.20/1,503,001.80 = 942,952.20/x
  3. Step 3: Cross multiply
    1,002,001.20x = 1,503,001.80 × 942,952.20
  4. Step 4: Simplify right side
    1,002,001.20x = 1,417,258,853,913.96
  5. Step 5: Solve for x
    x = 1,417,258,853,913.96/1,002,001.20
  6. Step 6: Final answer
    x = 1,414,428.30

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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.