Home / 1,622,987.10-2,434,480.65-781,335.90

Finding the Fourth Proportional to 1,622,987.10, 2,434,480.65 and 781,335.90

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Solution

The fourth proportional to 1,622,987.10, 2,434,480.65 and 781,335.90 is: 1,172,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,987.10 : 2,434,480.65 = 781,335.90 : x
  2. Step 2: Convert to fraction form
    1,622,987.10/2,434,480.65 = 781,335.90/x
  3. Step 3: Cross multiply
    1,622,987.10x = 2,434,480.65 × 781,335.90
  4. Step 4: Simplify right side
    1,622,987.10x = 1,902,147,129,700.34
  5. Step 5: Solve for x
    x = 1,902,147,129,700.34/1,622,987.10
  6. Step 6: Final answer
    x = 1,172,003.85

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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.