Home / 1,107,188.10-1,660,782.15-708,279.30

Finding the Fourth Proportional to 1,107,188.10, 1,660,782.15 and 708,279.30

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Solution

The fourth proportional to 1,107,188.10, 1,660,782.15 and 708,279.30 is: 1,062,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,188.10 : 1,660,782.15 = 708,279.30 : x
  2. Step 2: Convert to fraction form
    1,107,188.10/1,660,782.15 = 708,279.30/x
  3. Step 3: Cross multiply
    1,107,188.10x = 1,660,782.15 × 708,279.30
  4. Step 4: Simplify right side
    1,107,188.10x = 1,176,297,618,654.50
  5. Step 5: Solve for x
    x = 1,176,297,618,654.50/1,107,188.10
  6. Step 6: Final answer
    x = 1,062,418.95

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Double scale
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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.