Home / 1,781,904.50-2,673,123.57-644,932.73

Finding the Fourth Proportional to 1,781,904.50, 2,673,123.57 and 644,932.73

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Solution

The fourth proportional to 1,781,904.50, 2,673,123.57 and 644,932.73 is: 967,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,904.50 : 2,673,123.57 = 644,932.73 : x
  2. Step 2: Convert to fraction form
    1,781,904.50/2,673,123.57 = 644,932.73/x
  3. Step 3: Cross multiply
    1,781,904.50x = 2,673,123.57 × 644,932.73
  4. Step 4: Simplify right side
    1,781,904.50x = 1,723,984,865,037.16
  5. Step 5: Solve for x
    x = 1,723,984,865,037.16/1,781,904.50
  6. Step 6: Final answer
    x = 967,495.66

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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.