Home / 1,419,615.20-1,958,977.77-775,034.01

Finding the Fourth Proportional to 1,419,615.20, 1,958,977.77 and 775,034.01

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Solution

The fourth proportional to 1,419,615.20, 1,958,977.77 and 775,034.01 is: 1,069,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,615.20 : 1,958,977.77 = 775,034.01 : x
  2. Step 2: Convert to fraction form
    1,419,615.20/1,958,977.77 = 775,034.01/x
  3. Step 3: Cross multiply
    1,419,615.20x = 1,958,977.77 × 775,034.01
  4. Step 4: Simplify right side
    1,419,615.20x = 1,518,274,396,583.96
  5. Step 5: Solve for x
    x = 1,518,274,396,583.96/1,419,615.20
  6. Step 6: Final answer
    x = 1,069,497.14

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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.