Home / 1,143,947.12-1,577,346.34-729,926.96

Finding the Fourth Proportional to 1,143,947.12, 1,577,346.34 and 729,926.96

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Solution

The fourth proportional to 1,143,947.12, 1,577,346.34 and 729,926.96 is: 1,006,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,947.12 : 1,577,346.34 = 729,926.96 : x
  2. Step 2: Convert to fraction form
    1,143,947.12/1,577,346.34 = 729,926.96/x
  3. Step 3: Cross multiply
    1,143,947.12x = 1,577,346.34 × 729,926.96
  4. Step 4: Simplify right side
    1,143,947.12x = 1,151,347,618,823.33
  5. Step 5: Solve for x
    x = 1,151,347,618,823.33/1,143,947.12
  6. Step 6: Final answer
    x = 1,006,469.27

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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.