Home / 1,206,701.55-1,665,149.00-662,809.23

Finding the Fourth Proportional to 1,206,701.55, 1,665,149.00 and 662,809.23

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Solution

The fourth proportional to 1,206,701.55, 1,665,149.00 and 662,809.23 is: 914,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,701.55 : 1,665,149.00 = 662,809.23 : x
  2. Step 2: Convert to fraction form
    1,206,701.55/1,665,149.00 = 662,809.23/x
  3. Step 3: Cross multiply
    1,206,701.55x = 1,665,149.00 × 662,809.23
  4. Step 4: Simplify right side
    1,206,701.55x = 1,103,676,123,211.22
  5. Step 5: Solve for x
    x = 1,103,676,123,211.22/1,206,701.55
  6. Step 6: Final answer
    x = 914,622.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.