Home / 1,778,250.38-2,667,500.42-713,292.56

Finding the Fourth Proportional to 1,778,250.38, 2,667,500.42 and 713,292.56

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Solution

The fourth proportional to 1,778,250.38, 2,667,500.42 and 713,292.56 is: 1,069,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,250.38 : 2,667,500.42 = 713,292.56 : x
  2. Step 2: Convert to fraction form
    1,778,250.38/2,667,500.42 = 713,292.56/x
  3. Step 3: Cross multiply
    1,778,250.38x = 2,667,500.42 × 713,292.56
  4. Step 4: Simplify right side
    1,778,250.38x = 1,902,708,186,478.91
  5. Step 5: Solve for x
    x = 1,902,708,186,478.91/1,778,250.38
  6. Step 6: Final answer
    x = 1,069,988.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.