Home / 1,314,148.47-1,970,468.19-514,493.79

Finding the Fourth Proportional to 1,314,148.47, 1,970,468.19 and 514,493.79

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Solution

The fourth proportional to 1,314,148.47, 1,970,468.19 and 514,493.79 is: 771,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,148.47 : 1,970,468.19 = 514,493.79 : x
  2. Step 2: Convert to fraction form
    1,314,148.47/1,970,468.19 = 514,493.79/x
  3. Step 3: Cross multiply
    1,314,148.47x = 1,970,468.19 × 514,493.79
  4. Step 4: Simplify right side
    1,314,148.47x = 1,013,793,647,147.54
  5. Step 5: Solve for x
    x = 1,013,793,647,147.54/1,314,148.47
  6. Step 6: Final answer
    x = 771,445.29

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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.