Home / 1,207,572.26-1,811,247.32-408,762.50

Finding the Fourth Proportional to 1,207,572.26, 1,811,247.32 and 408,762.50

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Solution

The fourth proportional to 1,207,572.26, 1,811,247.32 and 408,762.50 is: 613,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,572.26 : 1,811,247.32 = 408,762.50 : x
  2. Step 2: Convert to fraction form
    1,207,572.26/1,811,247.32 = 408,762.50/x
  3. Step 3: Cross multiply
    1,207,572.26x = 1,811,247.32 × 408,762.50
  4. Step 4: Simplify right side
    1,207,572.26x = 740,369,982,641.50
  5. Step 5: Solve for x
    x = 740,369,982,641.50/1,207,572.26
  6. Step 6: Final answer
    x = 613,106.15

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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.