Home / 1,186,245.44-1,637,417.94-721,097.72

Finding the Fourth Proportional to 1,186,245.44, 1,637,417.94 and 721,097.72

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Solution

The fourth proportional to 1,186,245.44, 1,637,417.94 and 721,097.72 is: 995,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,245.44 : 1,637,417.94 = 721,097.72 : x
  2. Step 2: Convert to fraction form
    1,186,245.44/1,637,417.94 = 721,097.72/x
  3. Step 3: Cross multiply
    1,186,245.44x = 1,637,417.94 × 721,097.72
  4. Step 4: Simplify right side
    1,186,245.44x = 1,180,738,343,221.10
  5. Step 5: Solve for x
    x = 1,180,738,343,221.10/1,186,245.44
  6. Step 6: Final answer
    x = 995,357.54

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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.