Home / 1,129,694.40-1,693,229.40-455,442.30

Finding the Fourth Proportional to 1,129,694.40, 1,693,229.40 and 455,442.30

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Solution

The fourth proportional to 1,129,694.40, 1,693,229.40 and 455,442.30 is: 682,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,694.40 : 1,693,229.40 = 455,442.30 : x
  2. Step 2: Convert to fraction form
    1,129,694.40/1,693,229.40 = 455,442.30/x
  3. Step 3: Cross multiply
    1,129,694.40x = 1,693,229.40 × 455,442.30
  4. Step 4: Simplify right side
    1,129,694.40x = 771,168,292,363.62
  5. Step 5: Solve for x
    x = 771,168,292,363.62/1,129,694.40
  6. Step 6: Final answer
    x = 682,634.43

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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.