Home / 1,120,138.59-1,545,339.60-648,335.97

Finding the Fourth Proportional to 1,120,138.59, 1,545,339.60 and 648,335.97

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Solution

The fourth proportional to 1,120,138.59, 1,545,339.60 and 648,335.97 is: 894,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,138.59 : 1,545,339.60 = 648,335.97 : x
  2. Step 2: Convert to fraction form
    1,120,138.59/1,545,339.60 = 648,335.97/x
  3. Step 3: Cross multiply
    1,120,138.59x = 1,545,339.60 × 648,335.97
  4. Step 4: Simplify right side
    1,120,138.59x = 1,001,899,248,545.41
  5. Step 5: Solve for x
    x = 1,001,899,248,545.41/1,120,138.59
  6. Step 6: Final answer
    x = 894,442.22

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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.