Home / 756,053.70-1,134,080.55-667,480.20

Finding the Fourth Proportional to 756,053.70, 1,134,080.55 and 667,480.20

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Solution

The fourth proportional to 756,053.70, 1,134,080.55 and 667,480.20 is: 1,001,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,053.70 : 1,134,080.55 = 667,480.20 : x
  2. Step 2: Convert to fraction form
    756,053.70/1,134,080.55 = 667,480.20/x
  3. Step 3: Cross multiply
    756,053.70x = 1,134,080.55 × 667,480.20
  4. Step 4: Simplify right side
    756,053.70x = 756,976,312,330.11
  5. Step 5: Solve for x
    x = 756,976,312,330.11/756,053.70
  6. Step 6: Final answer
    x = 1,001,220.30

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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.