Home / 998,816.43-1,496,480.70-831,412.92

Finding the Fourth Proportional to 998,816.43, 1,496,480.70 and 831,412.92

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Solution

The fourth proportional to 998,816.43, 1,496,480.70 and 831,412.92 is: 1,245,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,816.43 : 1,496,480.70 = 831,412.92 : x
  2. Step 2: Convert to fraction form
    998,816.43/1,496,480.70 = 831,412.92/x
  3. Step 3: Cross multiply
    998,816.43x = 1,496,480.70 × 831,412.92
  4. Step 4: Simplify right side
    998,816.43x = 1,244,193,388,510.64
  5. Step 5: Solve for x
    x = 1,244,193,388,510.64/998,816.43
  6. Step 6: Final answer
    x = 1,245,667.72

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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.