Home / 1,328,061.68-1,832,722.96-724,449.68

Finding the Fourth Proportional to 1,328,061.68, 1,832,722.96 and 724,449.68

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Solution

The fourth proportional to 1,328,061.68, 1,832,722.96 and 724,449.68 is: 999,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,061.68 : 1,832,722.96 = 724,449.68 : x
  2. Step 2: Convert to fraction form
    1,328,061.68/1,832,722.96 = 724,449.68/x
  3. Step 3: Cross multiply
    1,328,061.68x = 1,832,722.96 × 724,449.68
  4. Step 4: Simplify right side
    1,328,061.68x = 1,327,715,561,900.65
  5. Step 5: Solve for x
    x = 1,327,715,561,900.65/1,328,061.68
  6. Step 6: Final answer
    x = 999,739.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.