Home / 1,240,268.64-1,711,655.28-689,048.94

Finding the Fourth Proportional to 1,240,268.64, 1,711,655.28 and 689,048.94

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Solution

The fourth proportional to 1,240,268.64, 1,711,655.28 and 689,048.94 is: 950,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,268.64 : 1,711,655.28 = 689,048.94 : x
  2. Step 2: Convert to fraction form
    1,240,268.64/1,711,655.28 = 689,048.94/x
  3. Step 3: Cross multiply
    1,240,268.64x = 1,711,655.28 × 689,048.94
  4. Step 4: Simplify right side
    1,240,268.64x = 1,179,414,256,329.40
  5. Step 5: Solve for x
    x = 1,179,414,256,329.40/1,240,268.64
  6. Step 6: Final answer
    x = 950,934.51

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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.