Home / 1,416,785.49-1,955,165.45-772,206.21

Finding the Fourth Proportional to 1,416,785.49, 1,955,165.45 and 772,206.21

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Solution

The fourth proportional to 1,416,785.49, 1,955,165.45 and 772,206.21 is: 1,065,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,785.49 : 1,955,165.45 = 772,206.21 : x
  2. Step 2: Convert to fraction form
    1,416,785.49/1,955,165.45 = 772,206.21/x
  3. Step 3: Cross multiply
    1,416,785.49x = 1,955,165.45 × 772,206.21
  4. Step 4: Simplify right side
    1,416,785.49x = 1,509,790,902,067.44
  5. Step 5: Solve for x
    x = 1,509,790,902,067.44/1,416,785.49
  6. Step 6: Final answer
    x = 1,065,645.37

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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.