Home / 1,008,101.10-1,512,151.65-890,003.10

Finding the Fourth Proportional to 1,008,101.10, 1,512,151.65 and 890,003.10

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Solution

The fourth proportional to 1,008,101.10, 1,512,151.65 and 890,003.10 is: 1,335,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,101.10 : 1,512,151.65 = 890,003.10 : x
  2. Step 2: Convert to fraction form
    1,008,101.10/1,512,151.65 = 890,003.10/x
  3. Step 3: Cross multiply
    1,008,101.10x = 1,512,151.65 × 890,003.10
  4. Step 4: Simplify right side
    1,008,101.10x = 1,345,819,656,170.12
  5. Step 5: Solve for x
    x = 1,345,819,656,170.12/1,008,101.10
  6. Step 6: Final answer
    x = 1,335,004.65

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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.