Home / 1,123,120.12-1,546,000.14-979,630.24

Finding the Fourth Proportional to 1,123,120.12, 1,546,000.14 and 979,630.24

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Solution

The fourth proportional to 1,123,120.12, 1,546,000.14 and 979,630.24 is: 1,348,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,120.12 : 1,546,000.14 = 979,630.24 : x
  2. Step 2: Convert to fraction form
    1,123,120.12/1,546,000.14 = 979,630.24/x
  3. Step 3: Cross multiply
    1,123,120.12x = 1,546,000.14 × 979,630.24
  4. Step 4: Simplify right side
    1,123,120.12x = 1,514,508,488,188.23
  5. Step 5: Solve for x
    x = 1,514,508,488,188.23/1,123,120.12
  6. Step 6: Final answer
    x = 1,348,483.09

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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.