Home / 1,549,308.18-2,138,057.12-861,044.60

Finding the Fourth Proportional to 1,549,308.18, 2,138,057.12 and 861,044.60

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Solution

The fourth proportional to 1,549,308.18, 2,138,057.12 and 861,044.60 is: 1,188,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,308.18 : 2,138,057.12 = 861,044.60 : x
  2. Step 2: Convert to fraction form
    1,549,308.18/2,138,057.12 = 861,044.60/x
  3. Step 3: Cross multiply
    1,549,308.18x = 2,138,057.12 × 861,044.60
  4. Step 4: Simplify right side
    1,549,308.18x = 1,840,962,545,165.31
  5. Step 5: Solve for x
    x = 1,840,962,545,165.31/1,549,308.18
  6. Step 6: Final answer
    x = 1,188,248.13

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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.