Home / 1,332,080.70-1,998,121.05-490,523.10

Finding the Fourth Proportional to 1,332,080.70, 1,998,121.05 and 490,523.10

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Solution

The fourth proportional to 1,332,080.70, 1,998,121.05 and 490,523.10 is: 735,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,080.70 : 1,998,121.05 = 490,523.10 : x
  2. Step 2: Convert to fraction form
    1,332,080.70/1,998,121.05 = 490,523.10/x
  3. Step 3: Cross multiply
    1,332,080.70x = 1,998,121.05 × 490,523.10
  4. Step 4: Simplify right side
    1,332,080.70x = 980,124,531,621.26
  5. Step 5: Solve for x
    x = 980,124,531,621.26/1,332,080.70
  6. Step 6: Final answer
    x = 735,784.65

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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.