Home / 1,275,120.09-1,759,665.55-702,158.85

Finding the Fourth Proportional to 1,275,120.09, 1,759,665.55 and 702,158.85

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Solution

The fourth proportional to 1,275,120.09, 1,759,665.55 and 702,158.85 is: 968,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,120.09 : 1,759,665.55 = 702,158.85 : x
  2. Step 2: Convert to fraction form
    1,275,120.09/1,759,665.55 = 702,158.85/x
  3. Step 3: Cross multiply
    1,275,120.09x = 1,759,665.55 × 702,158.85
  4. Step 4: Simplify right side
    1,275,120.09x = 1,235,564,738,972.62
  5. Step 5: Solve for x
    x = 1,235,564,738,972.62/1,275,120.09
  6. Step 6: Final answer
    x = 968,979.12

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1.5x scale

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.