Home / 1,247,055.50-1,721,515.92-730,737.74

Finding the Fourth Proportional to 1,247,055.50, 1,721,515.92 and 730,737.74

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Solution

The fourth proportional to 1,247,055.50, 1,721,515.92 and 730,737.74 is: 1,008,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,055.50 : 1,721,515.92 = 730,737.74 : x
  2. Step 2: Convert to fraction form
    1,247,055.50/1,721,515.92 = 730,737.74/x
  3. Step 3: Cross multiply
    1,247,055.50x = 1,721,515.92 × 730,737.74
  4. Step 4: Simplify right side
    1,247,055.50x = 1,257,976,652,754.82
  5. Step 5: Solve for x
    x = 1,257,976,652,754.82/1,247,055.50
  6. Step 6: Final answer
    x = 1,008,757.55

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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.