Home / 1,431,508.55-2,147,206.73-484,879.23

Finding the Fourth Proportional to 1,431,508.55, 2,147,206.73 and 484,879.23

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Solution

The fourth proportional to 1,431,508.55, 2,147,206.73 and 484,879.23 is: 727,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,508.55 : 2,147,206.73 = 484,879.23 : x
  2. Step 2: Convert to fraction form
    1,431,508.55/2,147,206.73 = 484,879.23/x
  3. Step 3: Cross multiply
    1,431,508.55x = 2,147,206.73 × 484,879.23
  4. Step 4: Simplify right side
    1,431,508.55x = 1,041,135,943,468.82
  5. Step 5: Solve for x
    x = 1,041,135,943,468.82/1,431,508.55
  6. Step 6: Final answer
    x = 727,299.85

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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.