Home / 804,160.80-1,206,241.20-768,731.40

Finding the Fourth Proportional to 804,160.80, 1,206,241.20 and 768,731.40

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Solution

The fourth proportional to 804,160.80, 1,206,241.20 and 768,731.40 is: 1,153,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,160.80 : 1,206,241.20 = 768,731.40 : x
  2. Step 2: Convert to fraction form
    804,160.80/1,206,241.20 = 768,731.40/x
  3. Step 3: Cross multiply
    804,160.80x = 1,206,241.20 × 768,731.40
  4. Step 4: Simplify right side
    804,160.80x = 927,275,486,413.68
  5. Step 5: Solve for x
    x = 927,275,486,413.68/804,160.80
  6. Step 6: Final answer
    x = 1,153,097.10

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1.5x scale

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.