Home / 1,128,249.46-1,557,024.78-618,966.82

Finding the Fourth Proportional to 1,128,249.46, 1,557,024.78 and 618,966.82

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Solution

The fourth proportional to 1,128,249.46, 1,557,024.78 and 618,966.82 is: 854,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,249.46 : 1,557,024.78 = 618,966.82 : x
  2. Step 2: Convert to fraction form
    1,128,249.46/1,557,024.78 = 618,966.82/x
  3. Step 3: Cross multiply
    1,128,249.46x = 1,557,024.78 × 618,966.82
  4. Step 4: Simplify right side
    1,128,249.46x = 963,746,676,737.80
  5. Step 5: Solve for x
    x = 963,746,676,737.80/1,128,249.46
  6. Step 6: Final answer
    x = 854,196.44

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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.