Home / 1,271,338.43-1,754,438.96-690,555.61

Finding the Fourth Proportional to 1,271,338.43, 1,754,438.96 and 690,555.61

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Solution

The fourth proportional to 1,271,338.43, 1,754,438.96 and 690,555.61 is: 952,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,338.43 : 1,754,438.96 = 690,555.61 : x
  2. Step 2: Convert to fraction form
    1,271,338.43/1,754,438.96 = 690,555.61/x
  3. Step 3: Cross multiply
    1,271,338.43x = 1,754,438.96 × 690,555.61
  4. Step 4: Simplify right side
    1,271,338.43x = 1,211,537,654,005.59
  5. Step 5: Solve for x
    x = 1,211,537,654,005.59/1,271,338.43
  6. Step 6: Final answer
    x = 952,962.35

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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.