Home / 1,419,800.12-1,959,309.30-775,218.32

Finding the Fourth Proportional to 1,419,800.12, 1,959,309.30 and 775,218.32

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Solution

The fourth proportional to 1,419,800.12, 1,959,309.30 and 775,218.32 is: 1,069,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,800.12 : 1,959,309.30 = 775,218.32 : x
  2. Step 2: Convert to fraction form
    1,419,800.12/1,959,309.30 = 775,218.32/x
  3. Step 3: Cross multiply
    1,419,800.12x = 1,959,309.30 × 775,218.32
  4. Step 4: Simplify right side
    1,419,800.12x = 1,518,892,463,906.38
  5. Step 5: Solve for x
    x = 1,518,892,463,906.38/1,419,800.12
  6. Step 6: Final answer
    x = 1,069,793.16

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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.