Home / 1,271,432.40-1,754,568.27-690,650.25

Finding the Fourth Proportional to 1,271,432.40, 1,754,568.27 and 690,650.25

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Solution

The fourth proportional to 1,271,432.40, 1,754,568.27 and 690,650.25 is: 953,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,432.40 : 1,754,568.27 = 690,650.25 : x
  2. Step 2: Convert to fraction form
    1,271,432.40/1,754,568.27 = 690,650.25/x
  3. Step 3: Cross multiply
    1,271,432.40x = 1,754,568.27 × 690,650.25
  4. Step 4: Simplify right side
    1,271,432.40x = 1,211,793,014,317.57
  5. Step 5: Solve for x
    x = 1,211,793,014,317.57/1,271,432.40
  6. Step 6: Final answer
    x = 953,092.76

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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.