Home / 1,587,620.40-2,381,430.60-747,812.40

Finding the Fourth Proportional to 1,587,620.40, 2,381,430.60 and 747,812.40

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Solution

The fourth proportional to 1,587,620.40, 2,381,430.60 and 747,812.40 is: 1,121,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,620.40 : 2,381,430.60 = 747,812.40 : x
  2. Step 2: Convert to fraction form
    1,587,620.40/2,381,430.60 = 747,812.40/x
  3. Step 3: Cross multiply
    1,587,620.40x = 2,381,430.60 × 747,812.40
  4. Step 4: Simplify right side
    1,587,620.40x = 1,780,863,332,419.44
  5. Step 5: Solve for x
    x = 1,780,863,332,419.44/1,587,620.40
  6. Step 6: Final answer
    x = 1,121,718.60

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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.