Home / 1,268,809.02-1,750,794.48-724,980

Finding the Fourth Proportional to 1,268,809.02, 1,750,794.48 and 724,980

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Solution

The fourth proportional to 1,268,809.02, 1,750,794.48 and 724,980 is: 1,000,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,809.02 : 1,750,794.48 = 724,980 : x
  2. Step 2: Convert to fraction form
    1,268,809.02/1,750,794.48 = 724,980/x
  3. Step 3: Cross multiply
    1,268,809.02x = 1,750,794.48 × 724,980
  4. Step 4: Simplify right side
    1,268,809.02x = 1,269,290,982,110.40
  5. Step 5: Solve for x
    x = 1,269,290,982,110.40/1,268,809.02
  6. Step 6: Final answer
    x = 1,000,379.85

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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.