Home / 892,516.56-1,338,821.58-679,618.38

Finding the Fourth Proportional to 892,516.56, 1,338,821.58 and 679,618.38

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Solution

The fourth proportional to 892,516.56, 1,338,821.58 and 679,618.38 is: 1,019,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,516.56 : 1,338,821.58 = 679,618.38 : x
  2. Step 2: Convert to fraction form
    892,516.56/1,338,821.58 = 679,618.38/x
  3. Step 3: Cross multiply
    892,516.56x = 1,338,821.58 × 679,618.38
  4. Step 4: Simplify right side
    892,516.56x = 909,887,753,308.64
  5. Step 5: Solve for x
    x = 909,887,753,308.64/892,516.56
  6. Step 6: Final answer
    x = 1,019,463.16

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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.