Home / 869,631.38-1,200,103.26-651,453.56

Finding the Fourth Proportional to 869,631.38, 1,200,103.26 and 651,453.56

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Solution

The fourth proportional to 869,631.38, 1,200,103.26 and 651,453.56 is: 899,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,631.38 : 1,200,103.26 = 651,453.56 : x
  2. Step 2: Convert to fraction form
    869,631.38/1,200,103.26 = 651,453.56/x
  3. Step 3: Cross multiply
    869,631.38x = 1,200,103.26 × 651,453.56
  4. Step 4: Simplify right side
    869,631.38x = 781,811,541,094.61
  5. Step 5: Solve for x
    x = 781,811,541,094.61/869,631.38
  6. Step 6: Final answer
    x = 899,014.87

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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.