Home / 1,008,080.10-1,512,387.45-439,217.10

Finding the Fourth Proportional to 1,008,080.10, 1,512,387.45 and 439,217.10

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Solution

The fourth proportional to 1,008,080.10, 1,512,387.45 and 439,217.10 is: 658,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,080.10 : 1,512,387.45 = 439,217.10 : x
  2. Step 2: Convert to fraction form
    1,008,080.10/1,512,387.45 = 439,217.10/x
  3. Step 3: Cross multiply
    1,008,080.10x = 1,512,387.45 × 439,217.10
  4. Step 4: Simplify right side
    1,008,080.10x = 664,266,429,865.40
  5. Step 5: Solve for x
    x = 664,266,429,865.40/1,008,080.10
  6. Step 6: Final answer
    x = 658,942.11

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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.