Home / 1,207,502.38-1,811,580.24-408,784.01

Finding the Fourth Proportional to 1,207,502.38, 1,811,580.24 and 408,784.01

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Solution

The fourth proportional to 1,207,502.38, 1,811,580.24 and 408,784.01 is: 613,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,502.38 : 1,811,580.24 = 408,784.01 : x
  2. Step 2: Convert to fraction form
    1,207,502.38/1,811,580.24 = 408,784.01/x
  3. Step 3: Cross multiply
    1,207,502.38x = 1,811,580.24 × 408,784.01
  4. Step 4: Simplify right side
    1,207,502.38x = 740,545,034,943.96
  5. Step 5: Solve for x
    x = 740,545,034,943.96/1,207,502.38
  6. Step 6: Final answer
    x = 613,286.61

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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.