Home / 929,674.40-1,394,511.60-873,687.20

Finding the Fourth Proportional to 929,674.40, 1,394,511.60 and 873,687.20

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Solution

The fourth proportional to 929,674.40, 1,394,511.60 and 873,687.20 is: 1,310,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,674.40 : 1,394,511.60 = 873,687.20 : x
  2. Step 2: Convert to fraction form
    929,674.40/1,394,511.60 = 873,687.20/x
  3. Step 3: Cross multiply
    929,674.40x = 1,394,511.60 × 873,687.20
  4. Step 4: Simplify right side
    929,674.40x = 1,218,366,935,171.52
  5. Step 5: Solve for x
    x = 1,218,366,935,171.52/929,674.40
  6. Step 6: Final answer
    x = 1,310,530.80

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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.