Home / 1,188,744-1,639,233.64-1,017,229.72

Finding the Fourth Proportional to 1,188,744, 1,639,233.64 and 1,017,229.72

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Solution

The fourth proportional to 1,188,744, 1,639,233.64 and 1,017,229.72 is: 1,402,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,744 : 1,639,233.64 = 1,017,229.72 : x
  2. Step 2: Convert to fraction form
    1,188,744/1,639,233.64 = 1,017,229.72/x
  3. Step 3: Cross multiply
    1,188,744x = 1,639,233.64 × 1,017,229.72
  4. Step 4: Simplify right side
    1,188,744x = 1,667,477,176,631.78
  5. Step 5: Solve for x
    x = 1,667,477,176,631.78/1,188,744
  6. Step 6: Final answer
    x = 1,402,721.84

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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.