Home / 1,675,909.41-2,515,111.25-823,438.68

Finding the Fourth Proportional to 1,675,909.41, 2,515,111.25 and 823,438.68

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Solution

The fourth proportional to 1,675,909.41, 2,515,111.25 and 823,438.68 is: 1,235,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,909.41 : 2,515,111.25 = 823,438.68 : x
  2. Step 2: Convert to fraction form
    1,675,909.41/2,515,111.25 = 823,438.68/x
  3. Step 3: Cross multiply
    1,675,909.41x = 2,515,111.25 × 823,438.68
  4. Step 4: Simplify right side
    1,675,909.41x = 2,071,039,883,635.96
  5. Step 5: Solve for x
    x = 2,071,039,883,635.96/1,675,909.41
  6. Step 6: Final answer
    x = 1,235,770.78

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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.