Home / 1,207,391.80-1,812,254.10-734,999.80

Finding the Fourth Proportional to 1,207,391.80, 1,812,254.10 and 734,999.80

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Solution

The fourth proportional to 1,207,391.80, 1,812,254.10 and 734,999.80 is: 1,103,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,391.80 : 1,812,254.10 = 734,999.80 : x
  2. Step 2: Convert to fraction form
    1,207,391.80/1,812,254.10 = 734,999.80/x
  3. Step 3: Cross multiply
    1,207,391.80x = 1,812,254.10 × 734,999.80
  4. Step 4: Simplify right side
    1,207,391.80x = 1,332,006,401,049.18
  5. Step 5: Solve for x
    x = 1,332,006,401,049.18/1,207,391.80
  6. Step 6: Final answer
    x = 1,103,209.75

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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.