Home / 838,844.60-1,255,809.30-740,540.60

Finding the Fourth Proportional to 838,844.60, 1,255,809.30 and 740,540.60

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Solution

The fourth proportional to 838,844.60, 1,255,809.30 and 740,540.60 is: 1,108,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,844.60 : 1,255,809.30 = 740,540.60 : x
  2. Step 2: Convert to fraction form
    838,844.60/1,255,809.30 = 740,540.60/x
  3. Step 3: Cross multiply
    838,844.60x = 1,255,809.30 × 740,540.60
  4. Step 4: Simplify right side
    838,844.60x = 929,977,772,507.58
  5. Step 5: Solve for x
    x = 929,977,772,507.58/838,844.60
  6. Step 6: Final answer
    x = 1,108,641.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.