Home / 1,397,992.96-2,096,994.84-425,366.76

Finding the Fourth Proportional to 1,397,992.96, 2,096,994.84 and 425,366.76

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Solution

The fourth proportional to 1,397,992.96, 2,096,994.84 and 425,366.76 is: 638,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,992.96 : 2,096,994.84 = 425,366.76 : x
  2. Step 2: Convert to fraction form
    1,397,992.96/2,096,994.84 = 425,366.76/x
  3. Step 3: Cross multiply
    1,397,992.96x = 2,096,994.84 × 425,366.76
  4. Step 4: Simplify right side
    1,397,992.96x = 891,991,900,827.52
  5. Step 5: Solve for x
    x = 891,991,900,827.52/1,397,992.96
  6. Step 6: Final answer
    x = 638,051.78

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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.