Home / 1,169,309.19-1,612,757.51-1,006,240.55

Finding the Fourth Proportional to 1,169,309.19, 1,612,757.51 and 1,006,240.55

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Solution

The fourth proportional to 1,169,309.19, 1,612,757.51 and 1,006,240.55 is: 1,387,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,309.19 : 1,612,757.51 = 1,006,240.55 : x
  2. Step 2: Convert to fraction form
    1,169,309.19/1,612,757.51 = 1,006,240.55/x
  3. Step 3: Cross multiply
    1,169,309.19x = 1,612,757.51 × 1,006,240.55
  4. Step 4: Simplify right side
    1,169,309.19x = 1,622,821,998,330.84
  5. Step 5: Solve for x
    x = 1,622,821,998,330.84/1,169,309.19
  6. Step 6: Final answer
    x = 1,387,846.79

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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.