Home / 1,204,895.92-1,662,583.80-721,345.36

Finding the Fourth Proportional to 1,204,895.92, 1,662,583.80 and 721,345.36

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Solution

The fourth proportional to 1,204,895.92, 1,662,583.80 and 721,345.36 is: 995,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,895.92 : 1,662,583.80 = 721,345.36 : x
  2. Step 2: Convert to fraction form
    1,204,895.92/1,662,583.80 = 721,345.36/x
  3. Step 3: Cross multiply
    1,204,895.92x = 1,662,583.80 × 721,345.36
  4. Step 4: Simplify right side
    1,204,895.92x = 1,199,297,109,741.17
  5. Step 5: Solve for x
    x = 1,199,297,109,741.17/1,204,895.92
  6. Step 6: Final answer
    x = 995,353.28

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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.