Home / 1,189,474.41-1,641,470.59-645,610.17

Finding the Fourth Proportional to 1,189,474.41, 1,641,470.59 and 645,610.17

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Solution

The fourth proportional to 1,189,474.41, 1,641,470.59 and 645,610.17 is: 890,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,474.41 : 1,641,470.59 = 645,610.17 : x
  2. Step 2: Convert to fraction form
    1,189,474.41/1,641,470.59 = 645,610.17/x
  3. Step 3: Cross multiply
    1,189,474.41x = 1,641,470.59 × 645,610.17
  4. Step 4: Simplify right side
    1,189,474.41x = 1,059,750,106,659.90
  5. Step 5: Solve for x
    x = 1,059,750,106,659.90/1,189,474.41
  6. Step 6: Final answer
    x = 890,939.81

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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.