Home / 1,055,391.56-1,456,439.66-571,956.71

Finding the Fourth Proportional to 1,055,391.56, 1,456,439.66 and 571,956.71

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Solution

The fourth proportional to 1,055,391.56, 1,456,439.66 and 571,956.71 is: 789,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,391.56 : 1,456,439.66 = 571,956.71 : x
  2. Step 2: Convert to fraction form
    1,055,391.56/1,456,439.66 = 571,956.71/x
  3. Step 3: Cross multiply
    1,055,391.56x = 1,456,439.66 × 571,956.71
  4. Step 4: Simplify right side
    1,055,391.56x = 833,020,432,346.21
  5. Step 5: Solve for x
    x = 833,020,432,346.21/1,055,391.56
  6. Step 6: Final answer
    x = 789,299.88

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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.