Home / 1,677,272.40-2,515,930.47-479,233.80

Finding the Fourth Proportional to 1,677,272.40, 2,515,930.47 and 479,233.80

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Solution

The fourth proportional to 1,677,272.40, 2,515,930.47 and 479,233.80 is: 718,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,272.40 : 2,515,930.47 = 479,233.80 : x
  2. Step 2: Convert to fraction form
    1,677,272.40/2,515,930.47 = 479,233.80/x
  3. Step 3: Cross multiply
    1,677,272.40x = 2,515,930.47 × 479,233.80
  4. Step 4: Simplify right side
    1,677,272.40x = 1,205,718,919,673.89
  5. Step 5: Solve for x
    x = 1,205,718,919,673.89/1,677,272.40
  6. Step 6: Final answer
    x = 718,856.95

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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.