Home / 920,002.10-1,380,003.15-773,035.70

Finding the Fourth Proportional to 920,002.10, 1,380,003.15 and 773,035.70

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Solution

The fourth proportional to 920,002.10, 1,380,003.15 and 773,035.70 is: 1,159,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,002.10 : 1,380,003.15 = 773,035.70 : x
  2. Step 2: Convert to fraction form
    920,002.10/1,380,003.15 = 773,035.70/x
  3. Step 3: Cross multiply
    920,002.10x = 1,380,003.15 × 773,035.70
  4. Step 4: Simplify right side
    920,002.10x = 1,066,791,701,062.45
  5. Step 5: Solve for x
    x = 1,066,791,701,062.45/920,002.10
  6. Step 6: Final answer
    x = 1,159,553.55

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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.