Home / 1,333,512.23-1,840,232.54-721,651.46

Finding the Fourth Proportional to 1,333,512.23, 1,840,232.54 and 721,651.46

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Solution

The fourth proportional to 1,333,512.23, 1,840,232.54 and 721,651.46 is: 995,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,512.23 : 1,840,232.54 = 721,651.46 : x
  2. Step 2: Convert to fraction form
    1,333,512.23/1,840,232.54 = 721,651.46/x
  3. Step 3: Cross multiply
    1,333,512.23x = 1,840,232.54 × 721,651.46
  4. Step 4: Simplify right side
    1,333,512.23x = 1,328,006,495,622.25
  5. Step 5: Solve for x
    x = 1,328,006,495,622.25/1,333,512.23
  6. Step 6: Final answer
    x = 995,871.25

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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.