Home / 1,689,146.42-2,331,024.24-914,778.52

Finding the Fourth Proportional to 1,689,146.42, 2,331,024.24 and 914,778.52

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Solution

The fourth proportional to 1,689,146.42, 2,331,024.24 and 914,778.52 is: 1,262,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,146.42 : 2,331,024.24 = 914,778.52 : x
  2. Step 2: Convert to fraction form
    1,689,146.42/2,331,024.24 = 914,778.52/x
  3. Step 3: Cross multiply
    1,689,146.42x = 2,331,024.24 × 914,778.52
  4. Step 4: Simplify right side
    1,689,146.42x = 2,132,370,904,351.33
  5. Step 5: Solve for x
    x = 2,132,370,904,351.33/1,689,146.42
  6. Step 6: Final answer
    x = 1,262,395.54

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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.