Home / 1,324,869.60-1,828,326.96-721,261.92

Finding the Fourth Proportional to 1,324,869.60, 1,828,326.96 and 721,261.92

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Solution

The fourth proportional to 1,324,869.60, 1,828,326.96 and 721,261.92 is: 995,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,869.60 : 1,828,326.96 = 721,261.92 : x
  2. Step 2: Convert to fraction form
    1,324,869.60/1,828,326.96 = 721,261.92/x
  3. Step 3: Cross multiply
    1,324,869.60x = 1,828,326.96 × 721,261.92
  4. Step 4: Simplify right side
    1,324,869.60x = 1,318,702,613,557.36
  5. Step 5: Solve for x
    x = 1,318,702,613,557.36/1,324,869.60
  6. Step 6: Final answer
    x = 995,345.21

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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.