Home / 1,123,261.20-1,685,037.60-554,932.80

Finding the Fourth Proportional to 1,123,261.20, 1,685,037.60 and 554,932.80

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Solution

The fourth proportional to 1,123,261.20, 1,685,037.60 and 554,932.80 is: 832,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,261.20 : 1,685,037.60 = 554,932.80 : x
  2. Step 2: Convert to fraction form
    1,123,261.20/1,685,037.60 = 554,932.80/x
  3. Step 3: Cross multiply
    1,123,261.20x = 1,685,037.60 × 554,932.80
  4. Step 4: Simplify right side
    1,123,261.20x = 935,082,633,473.28
  5. Step 5: Solve for x
    x = 935,082,633,473.28/1,123,261.20
  6. Step 6: Final answer
    x = 832,471.23

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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.