Home / 1,328,257.56-1,832,993.10-724,645.56

Finding the Fourth Proportional to 1,328,257.56, 1,832,993.10 and 724,645.56

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Solution

The fourth proportional to 1,328,257.56, 1,832,993.10 and 724,645.56 is: 1,000,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,257.56 : 1,832,993.10 = 724,645.56 : x
  2. Step 2: Convert to fraction form
    1,328,257.56/1,832,993.10 = 724,645.56/x
  3. Step 3: Cross multiply
    1,328,257.56x = 1,832,993.10 × 724,645.56
  4. Step 4: Simplify right side
    1,328,257.56x = 1,328,270,311,425.64
  5. Step 5: Solve for x
    x = 1,328,270,311,425.64/1,328,257.56
  6. Step 6: Final answer
    x = 1,000,009.60

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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.