Home / 1,587,309.54-2,190,503.25-862,171.44

Finding the Fourth Proportional to 1,587,309.54, 2,190,503.25 and 862,171.44

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Solution

The fourth proportional to 1,587,309.54, 2,190,503.25 and 862,171.44 is: 1,189,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,309.54 : 2,190,503.25 = 862,171.44 : x
  2. Step 2: Convert to fraction form
    1,587,309.54/2,190,503.25 = 862,171.44/x
  3. Step 3: Cross multiply
    1,587,309.54x = 2,190,503.25 × 862,171.44
  4. Step 4: Simplify right side
    1,587,309.54x = 1,888,589,341,377.18
  5. Step 5: Solve for x
    x = 1,888,589,341,377.18/1,587,309.54
  6. Step 6: Final answer
    x = 1,189,805.32

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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.