Home / 1,468,145.70-2,202,218.55-521,612.10

Finding the Fourth Proportional to 1,468,145.70, 2,202,218.55 and 521,612.10

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Solution

The fourth proportional to 1,468,145.70, 2,202,218.55 and 521,612.10 is: 782,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,145.70 : 2,202,218.55 = 521,612.10 : x
  2. Step 2: Convert to fraction form
    1,468,145.70/2,202,218.55 = 521,612.10/x
  3. Step 3: Cross multiply
    1,468,145.70x = 2,202,218.55 × 521,612.10
  4. Step 4: Simplify right side
    1,468,145.70x = 1,148,703,842,524.45
  5. Step 5: Solve for x
    x = 1,148,703,842,524.45/1,468,145.70
  6. Step 6: Final answer
    x = 782,418.15

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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.