Home / 1,123,829.50-1,685,745.96-458,981.50

Finding the Fourth Proportional to 1,123,829.50, 1,685,745.96 and 458,981.50

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Solution

The fourth proportional to 1,123,829.50, 1,685,745.96 and 458,981.50 is: 688,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,829.50 : 1,685,745.96 = 458,981.50 : x
  2. Step 2: Convert to fraction form
    1,123,829.50/1,685,745.96 = 458,981.50/x
  3. Step 3: Cross multiply
    1,123,829.50x = 1,685,745.96 × 458,981.50
  4. Step 4: Simplify right side
    1,123,829.50x = 773,726,209,339.74
  5. Step 5: Solve for x
    x = 773,726,209,339.74/1,123,829.50
  6. Step 6: Final answer
    x = 688,472.95

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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.