Home / 1,131,107.20-1,696,616.40-383,153.12

Finding the Fourth Proportional to 1,131,107.20, 1,696,616.40 and 383,153.12

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Solution

The fourth proportional to 1,131,107.20, 1,696,616.40 and 383,153.12 is: 574,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,107.20 : 1,696,616.40 = 383,153.12 : x
  2. Step 2: Convert to fraction form
    1,131,107.20/1,696,616.40 = 383,153.12/x
  3. Step 3: Cross multiply
    1,131,107.20x = 1,696,616.40 × 383,153.12
  4. Step 4: Simplify right side
    1,131,107.20x = 650,063,867,103.17
  5. Step 5: Solve for x
    x = 650,063,867,103.17/1,131,107.20
  6. Step 6: Final answer
    x = 574,714.64

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Double scale
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Similar ratio
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1.5x scale

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.