Home / 1,166,107.20-1,609,342.40-682,643.20

Finding the Fourth Proportional to 1,166,107.20, 1,609,342.40 and 682,643.20

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Solution

The fourth proportional to 1,166,107.20, 1,609,342.40 and 682,643.20 is: 942,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,107.20 : 1,609,342.40 = 682,643.20 : x
  2. Step 2: Convert to fraction form
    1,166,107.20/1,609,342.40 = 682,643.20/x
  3. Step 3: Cross multiply
    1,166,107.20x = 1,609,342.40 × 682,643.20
  4. Step 4: Simplify right side
    1,166,107.20x = 1,098,606,645,831.68
  5. Step 5: Solve for x
    x = 1,098,606,645,831.68/1,166,107.20
  6. Step 6: Final answer
    x = 942,114.62

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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.