Home / 1,151,583.36-1,588,151.52-721,910.40

Finding the Fourth Proportional to 1,151,583.36, 1,588,151.52 and 721,910.40

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Solution

The fourth proportional to 1,151,583.36, 1,588,151.52 and 721,910.40 is: 995,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,583.36 : 1,588,151.52 = 721,910.40 : x
  2. Step 2: Convert to fraction form
    1,151,583.36/1,588,151.52 = 721,910.40/x
  3. Step 3: Cross multiply
    1,151,583.36x = 1,588,151.52 × 721,910.40
  4. Step 4: Simplify right side
    1,151,583.36x = 1,146,503,099,063.81
  5. Step 5: Solve for x
    x = 1,146,503,099,063.81/1,151,583.36
  6. Step 6: Final answer
    x = 995,588.46

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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.