Home / 1,034,145.80-1,551,218.70-768,425.30

Finding the Fourth Proportional to 1,034,145.80, 1,551,218.70 and 768,425.30

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Solution

The fourth proportional to 1,034,145.80, 1,551,218.70 and 768,425.30 is: 1,152,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,145.80 : 1,551,218.70 = 768,425.30 : x
  2. Step 2: Convert to fraction form
    1,034,145.80/1,551,218.70 = 768,425.30/x
  3. Step 3: Cross multiply
    1,034,145.80x = 1,551,218.70 × 768,425.30
  4. Step 4: Simplify right side
    1,034,145.80x = 1,191,995,694,913.11
  5. Step 5: Solve for x
    x = 1,191,995,694,913.11/1,034,145.80
  6. Step 6: Final answer
    x = 1,152,637.95

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Double scale
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Similar ratio
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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.