Home / 1,206,080.28-1,664,272.98-696,771.72

Finding the Fourth Proportional to 1,206,080.28, 1,664,272.98 and 696,771.72

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Solution

The fourth proportional to 1,206,080.28, 1,664,272.98 and 696,771.72 is: 961,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,080.28 : 1,664,272.98 = 696,771.72 : x
  2. Step 2: Convert to fraction form
    1,206,080.28/1,664,272.98 = 696,771.72/x
  3. Step 3: Cross multiply
    1,206,080.28x = 1,664,272.98 × 696,771.72
  4. Step 4: Simplify right side
    1,206,080.28x = 1,159,618,346,824.13
  5. Step 5: Solve for x
    x = 1,159,618,346,824.13/1,206,080.28
  6. Step 6: Final answer
    x = 961,476.91

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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.