Home / 1,620,722.87-2,431,179.45-609,853.58

Finding the Fourth Proportional to 1,620,722.87, 2,431,179.45 and 609,853.58

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Solution

The fourth proportional to 1,620,722.87, 2,431,179.45 and 609,853.58 is: 914,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,722.87 : 2,431,179.45 = 609,853.58 : x
  2. Step 2: Convert to fraction form
    1,620,722.87/2,431,179.45 = 609,853.58/x
  3. Step 3: Cross multiply
    1,620,722.87x = 2,431,179.45 × 609,853.58
  4. Step 4: Simplify right side
    1,620,722.87x = 1,482,663,485,488.86
  5. Step 5: Solve for x
    x = 1,482,663,485,488.86/1,620,722.87
  6. Step 6: Final answer
    x = 914,816.17

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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.