Home / 1,152,171.48-1,589,553.18-721,702.20

Finding the Fourth Proportional to 1,152,171.48, 1,589,553.18 and 721,702.20

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Solution

The fourth proportional to 1,152,171.48, 1,589,553.18 and 721,702.20 is: 995,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,171.48 : 1,589,553.18 = 721,702.20 : x
  2. Step 2: Convert to fraction form
    1,152,171.48/1,589,553.18 = 721,702.20/x
  3. Step 3: Cross multiply
    1,152,171.48x = 1,589,553.18 × 721,702.20
  4. Step 4: Simplify right side
    1,152,171.48x = 1,147,184,027,023.00
  5. Step 5: Solve for x
    x = 1,147,184,027,023.00/1,152,171.48
  6. Step 6: Final answer
    x = 995,671.26

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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.