Home / 904,993.30-1,356,228.90-680,091.12

Finding the Fourth Proportional to 904,993.30, 1,356,228.90 and 680,091.12

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Solution

The fourth proportional to 904,993.30, 1,356,228.90 and 680,091.12 is: 1,019,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,993.30 : 1,356,228.90 = 680,091.12 : x
  2. Step 2: Convert to fraction form
    904,993.30/1,356,228.90 = 680,091.12/x
  3. Step 3: Cross multiply
    904,993.30x = 1,356,228.90 × 680,091.12
  4. Step 4: Simplify right side
    904,993.30x = 922,359,231,577.37
  5. Step 5: Solve for x
    x = 922,359,231,577.37/904,993.30
  6. Step 6: Final answer
    x = 1,019,189.02

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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.