Home / 1,286,909.04-1,776,091.92-743,043.90

Finding the Fourth Proportional to 1,286,909.04, 1,776,091.92 and 743,043.90

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Solution

The fourth proportional to 1,286,909.04, 1,776,091.92 and 743,043.90 is: 1,025,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,909.04 : 1,776,091.92 = 743,043.90 : x
  2. Step 2: Convert to fraction form
    1,286,909.04/1,776,091.92 = 743,043.90/x
  3. Step 3: Cross multiply
    1,286,909.04x = 1,776,091.92 × 743,043.90
  4. Step 4: Simplify right side
    1,286,909.04x = 1,319,714,266,995.29
  5. Step 5: Solve for x
    x = 1,319,714,266,995.29/1,286,909.04
  6. Step 6: Final answer
    x = 1,025,491.49

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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.