Home / 1,394,959.10-2,090,489.85-753,880.75

Finding the Fourth Proportional to 1,394,959.10, 2,090,489.85 and 753,880.75

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Solution

The fourth proportional to 1,394,959.10, 2,090,489.85 and 753,880.75 is: 1,129,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,959.10 : 2,090,489.85 = 753,880.75 : x
  2. Step 2: Convert to fraction form
    1,394,959.10/2,090,489.85 = 753,880.75/x
  3. Step 3: Cross multiply
    1,394,959.10x = 2,090,489.85 × 753,880.75
  4. Step 4: Simplify right side
    1,394,959.10x = 1,575,980,050,759.16
  5. Step 5: Solve for x
    x = 1,575,980,050,759.16/1,394,959.10
  6. Step 6: Final answer
    x = 1,129,767.93

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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.