Home / 1,008,169.20-1,390,658.40-599,997.60

Finding the Fourth Proportional to 1,008,169.20, 1,390,658.40 and 599,997.60

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Solution

The fourth proportional to 1,008,169.20, 1,390,658.40 and 599,997.60 is: 827,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,169.20 : 1,390,658.40 = 599,997.60 : x
  2. Step 2: Convert to fraction form
    1,008,169.20/1,390,658.40 = 599,997.60/x
  3. Step 3: Cross multiply
    1,008,169.20x = 1,390,658.40 × 599,997.60
  4. Step 4: Simplify right side
    1,008,169.20x = 834,391,702,419.84
  5. Step 5: Solve for x
    x = 834,391,702,419.84/1,008,169.20
  6. Step 6: Final answer
    x = 827,630.62

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1.5x scale

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.