Home / 1,465,718.10-2,198,577.15-987,421.20

Finding the Fourth Proportional to 1,465,718.10, 2,198,577.15 and 987,421.20

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Solution

The fourth proportional to 1,465,718.10, 2,198,577.15 and 987,421.20 is: 1,481,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,718.10 : 2,198,577.15 = 987,421.20 : x
  2. Step 2: Convert to fraction form
    1,465,718.10/2,198,577.15 = 987,421.20/x
  3. Step 3: Cross multiply
    1,465,718.10x = 2,198,577.15 × 987,421.20
  4. Step 4: Simplify right side
    1,465,718.10x = 2,170,921,687,745.58
  5. Step 5: Solve for x
    x = 2,170,921,687,745.58/1,465,718.10
  6. Step 6: Final answer
    x = 1,481,131.80

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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.