Home / 1,165,856.40-1,748,784.60-667,270.80

Finding the Fourth Proportional to 1,165,856.40, 1,748,784.60 and 667,270.80

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Solution

The fourth proportional to 1,165,856.40, 1,748,784.60 and 667,270.80 is: 1,000,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,856.40 : 1,748,784.60 = 667,270.80 : x
  2. Step 2: Convert to fraction form
    1,165,856.40/1,748,784.60 = 667,270.80/x
  3. Step 3: Cross multiply
    1,165,856.40x = 1,748,784.60 × 667,270.80
  4. Step 4: Simplify right side
    1,165,856.40x = 1,166,912,899,069.68
  5. Step 5: Solve for x
    x = 1,166,912,899,069.68/1,165,856.40
  6. Step 6: Final answer
    x = 1,000,906.20

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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.