Home / 1,143,469.28-1,715,362.31-385,527.71

Finding the Fourth Proportional to 1,143,469.28, 1,715,362.31 and 385,527.71

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Solution

The fourth proportional to 1,143,469.28, 1,715,362.31 and 385,527.71 is: 578,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,469.28 : 1,715,362.31 = 385,527.71 : x
  2. Step 2: Convert to fraction form
    1,143,469.28/1,715,362.31 = 385,527.71/x
  3. Step 3: Cross multiply
    1,143,469.28x = 1,715,362.31 × 385,527.71
  4. Step 4: Simplify right side
    1,143,469.28x = 661,319,708,446.84
  5. Step 5: Solve for x
    x = 661,319,708,446.84/1,143,469.28
  6. Step 6: Final answer
    x = 578,344.97

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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.