Home / 1,282,287.80-1,769,402.96-738,600.42

Finding the Fourth Proportional to 1,282,287.80, 1,769,402.96 and 738,600.42

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Solution

The fourth proportional to 1,282,287.80, 1,769,402.96 and 738,600.42 is: 1,019,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,287.80 : 1,769,402.96 = 738,600.42 : x
  2. Step 2: Convert to fraction form
    1,282,287.80/1,769,402.96 = 738,600.42/x
  3. Step 3: Cross multiply
    1,282,287.80x = 1,769,402.96 × 738,600.42
  4. Step 4: Simplify right side
    1,282,287.80x = 1,306,881,769,405.24
  5. Step 5: Solve for x
    x = 1,306,881,769,405.24/1,282,287.80
  6. Step 6: Final answer
    x = 1,019,179.76

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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.