Home / 1,207,572.01-1,811,246.95-408,762.25

Finding the Fourth Proportional to 1,207,572.01, 1,811,246.95 and 408,762.25

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Solution

The fourth proportional to 1,207,572.01, 1,811,246.95 and 408,762.25 is: 613,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,572.01 : 1,811,246.95 = 408,762.25 : x
  2. Step 2: Convert to fraction form
    1,207,572.01/1,811,246.95 = 408,762.25/x
  3. Step 3: Cross multiply
    1,207,572.01x = 1,811,246.95 × 408,762.25
  4. Step 4: Simplify right side
    1,207,572.01x = 740,369,378,587.64
  5. Step 5: Solve for x
    x = 740,369,378,587.64/1,207,572.01
  6. Step 6: Final answer
    x = 613,105.78

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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.