Home / 1,310,123.20-1,808,005.32-737,183.68

Finding the Fourth Proportional to 1,310,123.20, 1,808,005.32 and 737,183.68

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Solution

The fourth proportional to 1,310,123.20, 1,808,005.32 and 737,183.68 is: 1,017,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,123.20 : 1,808,005.32 = 737,183.68 : x
  2. Step 2: Convert to fraction form
    1,310,123.20/1,808,005.32 = 737,183.68/x
  3. Step 3: Cross multiply
    1,310,123.20x = 1,808,005.32 × 737,183.68
  4. Step 4: Simplify right side
    1,310,123.20x = 1,332,832,015,257.18
  5. Step 5: Solve for x
    x = 1,332,832,015,257.18/1,310,123.20
  6. Step 6: Final answer
    x = 1,017,333.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.