Home / 740,219.20-1,109,648.40-739,765.60

Finding the Fourth Proportional to 740,219.20, 1,109,648.40 and 739,765.60

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Solution

The fourth proportional to 740,219.20, 1,109,648.40 and 739,765.60 is: 1,108,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,219.20 : 1,109,648.40 = 739,765.60 : x
  2. Step 2: Convert to fraction form
    740,219.20/1,109,648.40 = 739,765.60/x
  3. Step 3: Cross multiply
    740,219.20x = 1,109,648.40 × 739,765.60
  4. Step 4: Simplify right side
    740,219.20x = 820,879,714,415.04
  5. Step 5: Solve for x
    x = 820,879,714,415.04/740,219.20
  6. Step 6: Final answer
    x = 1,108,968.42

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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.