Home / 1,761,290.30-2,640,185.85-813,007.10

Finding the Fourth Proportional to 1,761,290.30, 2,640,185.85 and 813,007.10

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Solution

The fourth proportional to 1,761,290.30, 2,640,185.85 and 813,007.10 is: 1,218,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,290.30 : 2,640,185.85 = 813,007.10 : x
  2. Step 2: Convert to fraction form
    1,761,290.30/2,640,185.85 = 813,007.10/x
  3. Step 3: Cross multiply
    1,761,290.30x = 2,640,185.85 × 813,007.10
  4. Step 4: Simplify right side
    1,761,290.30x = 2,146,489,841,369.54
  5. Step 5: Solve for x
    x = 2,146,489,841,369.54/1,761,290.30
  6. Step 6: Final answer
    x = 1,218,703.04

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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.