Home / 1,188,725.56-1,639,207.94-1,017,211.10

Finding the Fourth Proportional to 1,188,725.56, 1,639,207.94 and 1,017,211.10

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Solution

The fourth proportional to 1,188,725.56, 1,639,207.94 and 1,017,211.10 is: 1,402,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,725.56 : 1,639,207.94 = 1,017,211.10 : x
  2. Step 2: Convert to fraction form
    1,188,725.56/1,639,207.94 = 1,017,211.10/x
  3. Step 3: Cross multiply
    1,188,725.56x = 1,639,207.94 × 1,017,211.10
  4. Step 4: Simplify right side
    1,188,725.56x = 1,667,420,498,494.04
  5. Step 5: Solve for x
    x = 1,667,420,498,494.04/1,188,725.56
  6. Step 6: Final answer
    x = 1,402,695.93

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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.