Home / 1,021,257.68-1,530,821.64-571,318.88

Finding the Fourth Proportional to 1,021,257.68, 1,530,821.64 and 571,318.88

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Solution

The fourth proportional to 1,021,257.68, 1,530,821.64 and 571,318.88 is: 856,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,257.68 : 1,530,821.64 = 571,318.88 : x
  2. Step 2: Convert to fraction form
    1,021,257.68/1,530,821.64 = 571,318.88/x
  3. Step 3: Cross multiply
    1,021,257.68x = 1,530,821.64 × 571,318.88
  4. Step 4: Simplify right side
    1,021,257.68x = 874,587,304,844.56
  5. Step 5: Solve for x
    x = 874,587,304,844.56/1,021,257.68
  6. Step 6: Final answer
    x = 856,382.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.