Home / 1,235,999.10-1,853,998.65-1,215,003.90

Finding the Fourth Proportional to 1,235,999.10, 1,853,998.65 and 1,215,003.90

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Solution

The fourth proportional to 1,235,999.10, 1,853,998.65 and 1,215,003.90 is: 1,822,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,999.10 : 1,853,998.65 = 1,215,003.90 : x
  2. Step 2: Convert to fraction form
    1,235,999.10/1,853,998.65 = 1,215,003.90/x
  3. Step 3: Cross multiply
    1,235,999.10x = 1,853,998.65 × 1,215,003.90
  4. Step 4: Simplify right side
    1,235,999.10x = 2,252,615,590,344.74
  5. Step 5: Solve for x
    x = 2,252,615,590,344.74/1,235,999.10
  6. Step 6: Final answer
    x = 1,822,505.85

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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.