Home / 1,043,123.72-1,564,910.37-323,450.95

Finding the Fourth Proportional to 1,043,123.72, 1,564,910.37 and 323,450.95

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Solution

The fourth proportional to 1,043,123.72, 1,564,910.37 and 323,450.95 is: 485,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,123.72 : 1,564,910.37 = 323,450.95 : x
  2. Step 2: Convert to fraction form
    1,043,123.72/1,564,910.37 = 323,450.95/x
  3. Step 3: Cross multiply
    1,043,123.72x = 1,564,910.37 × 323,450.95
  4. Step 4: Simplify right side
    1,043,123.72x = 506,171,745,841.35
  5. Step 5: Solve for x
    x = 506,171,745,841.35/1,043,123.72
  6. Step 6: Final answer
    x = 485,246.13

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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.