Home / 1,333,460.56-1,840,180.20-721,613.16

Finding the Fourth Proportional to 1,333,460.56, 1,840,180.20 and 721,613.16

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Solution

The fourth proportional to 1,333,460.56, 1,840,180.20 and 721,613.16 is: 995,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,460.56 : 1,840,180.20 = 721,613.16 : x
  2. Step 2: Convert to fraction form
    1,333,460.56/1,840,180.20 = 721,613.16/x
  3. Step 3: Cross multiply
    1,333,460.56x = 1,840,180.20 × 721,613.16
  4. Step 4: Simplify right side
    1,333,460.56x = 1,327,898,236,282.47
  5. Step 5: Solve for x
    x = 1,327,898,236,282.47/1,333,460.56
  6. Step 6: Final answer
    x = 995,828.66

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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.