Home / 1,006,001.90-1,388,291.82-547,120.88

Finding the Fourth Proportional to 1,006,001.90, 1,388,291.82 and 547,120.88

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Solution

The fourth proportional to 1,006,001.90, 1,388,291.82 and 547,120.88 is: 755,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,001.90 : 1,388,291.82 = 547,120.88 : x
  2. Step 2: Convert to fraction form
    1,006,001.90/1,388,291.82 = 547,120.88/x
  3. Step 3: Cross multiply
    1,006,001.90x = 1,388,291.82 × 547,120.88
  4. Step 4: Simplify right side
    1,006,001.90x = 759,563,442,255.20
  5. Step 5: Solve for x
    x = 759,563,442,255.20/1,006,001.90
  6. Step 6: Final answer
    x = 755,031.82

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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.