Home / 1,008,086.60-1,512,129.90-889,988.60

Finding the Fourth Proportional to 1,008,086.60, 1,512,129.90 and 889,988.60

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Solution

The fourth proportional to 1,008,086.60, 1,512,129.90 and 889,988.60 is: 1,334,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,086.60 : 1,512,129.90 = 889,988.60 : x
  2. Step 2: Convert to fraction form
    1,008,086.60/1,512,129.90 = 889,988.60/x
  3. Step 3: Cross multiply
    1,008,086.60x = 1,512,129.90 × 889,988.60
  4. Step 4: Simplify right side
    1,008,086.60x = 1,345,778,372,719.14
  5. Step 5: Solve for x
    x = 1,345,778,372,719.14/1,008,086.60
  6. Step 6: Final answer
    x = 1,334,982.90

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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.