Home / 1,152,179.36-1,589,564.05-721,710.08

Finding the Fourth Proportional to 1,152,179.36, 1,589,564.05 and 721,710.08

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Solution

The fourth proportional to 1,152,179.36, 1,589,564.05 and 721,710.08 is: 995,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,179.36 : 1,589,564.05 = 721,710.08 : x
  2. Step 2: Convert to fraction form
    1,152,179.36/1,589,564.05 = 721,710.08/x
  3. Step 3: Cross multiply
    1,152,179.36x = 1,589,564.05 × 721,710.08
  4. Step 4: Simplify right side
    1,152,179.36x = 1,147,204,387,938.53
  5. Step 5: Solve for x
    x = 1,147,204,387,938.53/1,152,179.36
  6. Step 6: Final answer
    x = 995,682.12

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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.