Home / 1,275,141.92-1,759,695.86-702,180.77

Finding the Fourth Proportional to 1,275,141.92, 1,759,695.86 and 702,180.77

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Solution

The fourth proportional to 1,275,141.92, 1,759,695.86 and 702,180.77 is: 969,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,141.92 : 1,759,695.86 = 702,180.77 : x
  2. Step 2: Convert to fraction form
    1,275,141.92/1,759,695.86 = 702,180.77/x
  3. Step 3: Cross multiply
    1,275,141.92x = 1,759,695.86 × 702,180.77
  4. Step 4: Simplify right side
    1,275,141.92x = 1,235,624,586,897.59
  5. Step 5: Solve for x
    x = 1,235,624,586,897.59/1,275,141.92
  6. Step 6: Final answer
    x = 969,009.47

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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.