Home / 1,587,553.20-2,190,760.56-942,956.40

Finding the Fourth Proportional to 1,587,553.20, 2,190,760.56 and 942,956.40

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Solution

The fourth proportional to 1,587,553.20, 2,190,760.56 and 942,956.40 is: 1,301,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,553.20 : 2,190,760.56 = 942,956.40 : x
  2. Step 2: Convert to fraction form
    1,587,553.20/2,190,760.56 = 942,956.40/x
  3. Step 3: Cross multiply
    1,587,553.20x = 2,190,760.56 × 942,956.40
  4. Step 4: Simplify right side
    1,587,553.20x = 2,065,791,690,919.58
  5. Step 5: Solve for x
    x = 2,065,791,690,919.58/1,587,553.20
  6. Step 6: Final answer
    x = 1,301,242.50

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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.