Home / 1,034,151.80-1,551,227.70-768,431.30

Finding the Fourth Proportional to 1,034,151.80, 1,551,227.70 and 768,431.30

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Solution

The fourth proportional to 1,034,151.80, 1,551,227.70 and 768,431.30 is: 1,152,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,151.80 : 1,551,227.70 = 768,431.30 : x
  2. Step 2: Convert to fraction form
    1,034,151.80/1,551,227.70 = 768,431.30/x
  3. Step 3: Cross multiply
    1,034,151.80x = 1,551,227.70 × 768,431.30
  4. Step 4: Simplify right side
    1,034,151.80x = 1,192,011,918,107.01
  5. Step 5: Solve for x
    x = 1,192,011,918,107.01/1,034,151.80
  6. Step 6: Final answer
    x = 1,152,646.95

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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.