Home / 1,275,107.70-1,759,585.46-702,040.80

Finding the Fourth Proportional to 1,275,107.70, 1,759,585.46 and 702,040.80

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Solution

The fourth proportional to 1,275,107.70, 1,759,585.46 and 702,040.80 is: 968,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,107.70 : 1,759,585.46 = 702,040.80 : x
  2. Step 2: Convert to fraction form
    1,275,107.70/1,759,585.46 = 702,040.80/x
  3. Step 3: Cross multiply
    1,275,107.70x = 1,759,585.46 × 702,040.80
  4. Step 4: Simplify right side
    1,275,107.70x = 1,235,300,784,006.77
  5. Step 5: Solve for x
    x = 1,235,300,784,006.77/1,275,107.70
  6. Step 6: Final answer
    x = 968,781.53

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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.