Home / 1,348,351.20-1,860,724.80-744,739.20

Finding the Fourth Proportional to 1,348,351.20, 1,860,724.80 and 744,739.20

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Solution

The fourth proportional to 1,348,351.20, 1,860,724.80 and 744,739.20 is: 1,027,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,351.20 : 1,860,724.80 = 744,739.20 : x
  2. Step 2: Convert to fraction form
    1,348,351.20/1,860,724.80 = 744,739.20/x
  3. Step 3: Cross multiply
    1,348,351.20x = 1,860,724.80 × 744,739.20
  4. Step 4: Simplify right side
    1,348,351.20x = 1,385,754,698,972.16
  5. Step 5: Solve for x
    x = 1,385,754,698,972.16/1,348,351.20
  6. Step 6: Final answer
    x = 1,027,740.18

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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.