Home / 1,271,269.80-1,754,365.22-690,498.54

Finding the Fourth Proportional to 1,271,269.80, 1,754,365.22 and 690,498.54

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Solution

The fourth proportional to 1,271,269.80, 1,754,365.22 and 690,498.54 is: 952,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,269.80 : 1,754,365.22 = 690,498.54 : x
  2. Step 2: Convert to fraction form
    1,271,269.80/1,754,365.22 = 690,498.54/x
  3. Step 3: Cross multiply
    1,271,269.80x = 1,754,365.22 × 690,498.54
  4. Step 4: Simplify right side
    1,271,269.80x = 1,211,386,619,584.29
  5. Step 5: Solve for x
    x = 1,211,386,619,584.29/1,271,269.80
  6. Step 6: Final answer
    x = 952,894.99

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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.