Home / 1,431,521.74-2,147,226.49-484,892.43

Finding the Fourth Proportional to 1,431,521.74, 2,147,226.49 and 484,892.43

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Solution

The fourth proportional to 1,431,521.74, 2,147,226.49 and 484,892.43 is: 727,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,521.74 : 2,147,226.49 = 484,892.43 : x
  2. Step 2: Convert to fraction form
    1,431,521.74/2,147,226.49 = 484,892.43/x
  3. Step 3: Cross multiply
    1,431,521.74x = 2,147,226.49 × 484,892.43
  4. Step 4: Simplify right side
    1,431,521.74x = 1,041,173,870,496.47
  5. Step 5: Solve for x
    x = 1,041,173,870,496.47/1,431,521.74
  6. Step 6: Final answer
    x = 727,319.64

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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.