Home / 1,431,531.05-2,147,240.48-484,901.73

Finding the Fourth Proportional to 1,431,531.05, 2,147,240.48 and 484,901.73

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Solution

The fourth proportional to 1,431,531.05, 2,147,240.48 and 484,901.73 is: 727,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,531.05 : 2,147,240.48 = 484,901.73 : x
  2. Step 2: Convert to fraction form
    1,431,531.05/2,147,240.48 = 484,901.73/x
  3. Step 3: Cross multiply
    1,431,531.05x = 2,147,240.48 × 484,901.73
  4. Step 4: Simplify right side
    1,431,531.05x = 1,041,200,621,053.52
  5. Step 5: Solve for x
    x = 1,041,200,621,053.52/1,431,531.05
  6. Step 6: Final answer
    x = 727,333.59

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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.