Home / 1,217,712.48-1,681,118.88-734,400.56

Finding the Fourth Proportional to 1,217,712.48, 1,681,118.88 and 734,400.56

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Solution

The fourth proportional to 1,217,712.48, 1,681,118.88 and 734,400.56 is: 1,013,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,712.48 : 1,681,118.88 = 734,400.56 : x
  2. Step 2: Convert to fraction form
    1,217,712.48/1,681,118.88 = 734,400.56/x
  3. Step 3: Cross multiply
    1,217,712.48x = 1,681,118.88 × 734,400.56
  4. Step 4: Simplify right side
    1,217,712.48x = 1,234,614,646,898.57
  5. Step 5: Solve for x
    x = 1,234,614,646,898.57/1,217,712.48
  6. Step 6: Final answer
    x = 1,013,880.26

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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.