Home / 1,151,992.38-1,728,760.01-478,074.30

Finding the Fourth Proportional to 1,151,992.38, 1,728,760.01 and 478,074.30

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Solution

The fourth proportional to 1,151,992.38, 1,728,760.01 and 478,074.30 is: 717,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,992.38 : 1,728,760.01 = 478,074.30 : x
  2. Step 2: Convert to fraction form
    1,151,992.38/1,728,760.01 = 478,074.30/x
  3. Step 3: Cross multiply
    1,151,992.38x = 1,728,760.01 × 478,074.30
  4. Step 4: Simplify right side
    1,151,992.38x = 826,475,731,648.74
  5. Step 5: Solve for x
    x = 826,475,731,648.74/1,151,992.38
  6. Step 6: Final answer
    x = 717,431.60

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Double scale
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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.