Home / 1,677,414.12-2,515,763.88-479,018.28

Finding the Fourth Proportional to 1,677,414.12, 2,515,763.88 and 479,018.28

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Solution

The fourth proportional to 1,677,414.12, 2,515,763.88 and 479,018.28 is: 718,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,414.12 : 2,515,763.88 = 479,018.28 : x
  2. Step 2: Convert to fraction form
    1,677,414.12/2,515,763.88 = 479,018.28/x
  3. Step 3: Cross multiply
    1,677,414.12x = 2,515,763.88 × 479,018.28
  4. Step 4: Simplify right side
    1,677,414.12x = 1,205,096,886,683.73
  5. Step 5: Solve for x
    x = 1,205,096,886,683.73/1,677,414.12
  6. Step 6: Final answer
    x = 718,425.39

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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.