Home / 918,167.60-1,377,251.40-912,262.70

Finding the Fourth Proportional to 918,167.60, 1,377,251.40 and 912,262.70

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Solution

The fourth proportional to 918,167.60, 1,377,251.40 and 912,262.70 is: 1,368,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,167.60 : 1,377,251.40 = 912,262.70 : x
  2. Step 2: Convert to fraction form
    918,167.60/1,377,251.40 = 912,262.70/x
  3. Step 3: Cross multiply
    918,167.60x = 1,377,251.40 × 912,262.70
  4. Step 4: Simplify right side
    918,167.60x = 1,256,415,080,742.78
  5. Step 5: Solve for x
    x = 1,256,415,080,742.78/918,167.60
  6. Step 6: Final answer
    x = 1,368,394.05

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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.