Home / 1,071,089.28-1,606,645.44-323,141.76

Finding the Fourth Proportional to 1,071,089.28, 1,606,645.44 and 323,141.76

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Solution

The fourth proportional to 1,071,089.28, 1,606,645.44 and 323,141.76 is: 484,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,089.28 : 1,606,645.44 = 323,141.76 : x
  2. Step 2: Convert to fraction form
    1,071,089.28/1,606,645.44 = 323,141.76/x
  3. Step 3: Cross multiply
    1,071,089.28x = 1,606,645.44 × 323,141.76
  4. Step 4: Simplify right side
    1,071,089.28x = 519,174,235,177.57
  5. Step 5: Solve for x
    x = 519,174,235,177.57/1,071,089.28
  6. Step 6: Final answer
    x = 484,716.12

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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.