Home / 1,209,109.23-1,667,626.08-749,966.34

Finding the Fourth Proportional to 1,209,109.23, 1,667,626.08 and 749,966.34

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Solution

The fourth proportional to 1,209,109.23, 1,667,626.08 and 749,966.34 is: 1,034,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,109.23 : 1,667,626.08 = 749,966.34 : x
  2. Step 2: Convert to fraction form
    1,209,109.23/1,667,626.08 = 749,966.34/x
  3. Step 3: Cross multiply
    1,209,109.23x = 1,667,626.08 × 749,966.34
  4. Step 4: Simplify right side
    1,209,109.23x = 1,250,663,427,706.15
  5. Step 5: Solve for x
    x = 1,250,663,427,706.15/1,209,109.23
  6. Step 6: Final answer
    x = 1,034,367.61

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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.