Home / 1,436,489.40-2,154,734.10-636,922.20

Finding the Fourth Proportional to 1,436,489.40, 2,154,734.10 and 636,922.20

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Solution

The fourth proportional to 1,436,489.40, 2,154,734.10 and 636,922.20 is: 955,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,489.40 : 2,154,734.10 = 636,922.20 : x
  2. Step 2: Convert to fraction form
    1,436,489.40/2,154,734.10 = 636,922.20/x
  3. Step 3: Cross multiply
    1,436,489.40x = 2,154,734.10 × 636,922.20
  4. Step 4: Simplify right side
    1,436,489.40x = 1,372,397,983,387.02
  5. Step 5: Solve for x
    x = 1,372,397,983,387.02/1,436,489.40
  6. Step 6: Final answer
    x = 955,383.30

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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.