Home / 1,436,192.60-2,154,604.80-425,393.60

Finding the Fourth Proportional to 1,436,192.60, 2,154,604.80 and 425,393.60

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Solution

The fourth proportional to 1,436,192.60, 2,154,604.80 and 425,393.60 is: 638,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,192.60 : 2,154,604.80 = 425,393.60 : x
  2. Step 2: Convert to fraction form
    1,436,192.60/2,154,604.80 = 425,393.60/x
  3. Step 3: Cross multiply
    1,436,192.60x = 2,154,604.80 × 425,393.60
  4. Step 4: Simplify right side
    1,436,192.60x = 916,555,092,449.28
  5. Step 5: Solve for x
    x = 916,555,092,449.28/1,436,192.60
  6. Step 6: Final answer
    x = 638,183.97

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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.