Home / 1,206,381.92-1,806,816.12-575,738.72

Finding the Fourth Proportional to 1,206,381.92, 1,806,816.12 and 575,738.72

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Solution

The fourth proportional to 1,206,381.92, 1,806,816.12 and 575,738.72 is: 862,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,381.92 : 1,806,816.12 = 575,738.72 : x
  2. Step 2: Convert to fraction form
    1,206,381.92/1,806,816.12 = 575,738.72/x
  3. Step 3: Cross multiply
    1,206,381.92x = 1,806,816.12 × 575,738.72
  4. Step 4: Simplify right side
    1,206,381.92x = 1,040,254,000,204.17
  5. Step 5: Solve for x
    x = 1,040,254,000,204.17/1,206,381.92
  6. Step 6: Final answer
    x = 862,292.43

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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.