Home / 1,068,748.80-1,603,123.20-508,876.80

Finding the Fourth Proportional to 1,068,748.80, 1,603,123.20 and 508,876.80

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Solution

The fourth proportional to 1,068,748.80, 1,603,123.20 and 508,876.80 is: 763,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,748.80 : 1,603,123.20 = 508,876.80 : x
  2. Step 2: Convert to fraction form
    1,068,748.80/1,603,123.20 = 508,876.80/x
  3. Step 3: Cross multiply
    1,068,748.80x = 1,603,123.20 × 508,876.80
  4. Step 4: Simplify right side
    1,068,748.80x = 815,792,204,021.76
  5. Step 5: Solve for x
    x = 815,792,204,021.76/1,068,748.80
  6. Step 6: Final answer
    x = 763,315.20

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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.