Home / 1,021,253.68-1,530,815.64-571,314.88

Finding the Fourth Proportional to 1,021,253.68, 1,530,815.64 and 571,314.88

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Solution

The fourth proportional to 1,021,253.68, 1,530,815.64 and 571,314.88 is: 856,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,253.68 : 1,530,815.64 = 571,314.88 : x
  2. Step 2: Convert to fraction form
    1,021,253.68/1,530,815.64 = 571,314.88/x
  3. Step 3: Cross multiply
    1,021,253.68x = 1,530,815.64 × 571,314.88
  4. Step 4: Simplify right side
    1,021,253.68x = 874,577,753,668.72
  5. Step 5: Solve for x
    x = 874,577,753,668.72/1,021,253.68
  6. Step 6: Final answer
    x = 856,376.60

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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.