Home / 1,807,708.75-2,711,579.01-459,872.78

Finding the Fourth Proportional to 1,807,708.75, 2,711,579.01 and 459,872.78

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Solution

The fourth proportional to 1,807,708.75, 2,711,579.01 and 459,872.78 is: 689,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,708.75 : 2,711,579.01 = 459,872.78 : x
  2. Step 2: Convert to fraction form
    1,807,708.75/2,711,579.01 = 459,872.78/x
  3. Step 3: Cross multiply
    1,807,708.75x = 2,711,579.01 × 459,872.78
  4. Step 4: Simplify right side
    1,807,708.75x = 1,246,981,377,518.35
  5. Step 5: Solve for x
    x = 1,246,981,377,518.35/1,807,708.75
  6. Step 6: Final answer
    x = 689,813.21

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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.