Home / 1,275,104-1,759,643.52-702,142.81

Finding the Fourth Proportional to 1,275,104, 1,759,643.52 and 702,142.81

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Solution

The fourth proportional to 1,275,104, 1,759,643.52 and 702,142.81 is: 968,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,104 : 1,759,643.52 = 702,142.81 : x
  2. Step 2: Convert to fraction form
    1,275,104/1,759,643.52 = 702,142.81/x
  3. Step 3: Cross multiply
    1,275,104x = 1,759,643.52 × 702,142.81
  4. Step 4: Simplify right side
    1,275,104x = 1,235,521,036,932.87
  5. Step 5: Solve for x
    x = 1,235,521,036,932.87/1,275,104
  6. Step 6: Final answer
    x = 968,957.07

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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.