Home / 1,207,863.50-1,811,747.95-409,145.04

Finding the Fourth Proportional to 1,207,863.50, 1,811,747.95 and 409,145.04

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Solution

The fourth proportional to 1,207,863.50, 1,811,747.95 and 409,145.04 is: 613,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,863.50 : 1,811,747.95 = 409,145.04 : x
  2. Step 2: Convert to fraction form
    1,207,863.50/1,811,747.95 = 409,145.04/x
  3. Step 3: Cross multiply
    1,207,863.50x = 1,811,747.95 × 409,145.04
  4. Step 4: Simplify right side
    1,207,863.50x = 741,267,678,413.93
  5. Step 5: Solve for x
    x = 741,267,678,413.93/1,207,863.50
  6. Step 6: Final answer
    x = 613,701.53

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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.