Home / 1,312,797.12-1,799,845.38-1,288,883.46

Finding the Fourth Proportional to 1,312,797.12, 1,799,845.38 and 1,288,883.46

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Solution

The fourth proportional to 1,312,797.12, 1,799,845.38 and 1,288,883.46 is: 1,767,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,797.12 : 1,799,845.38 = 1,288,883.46 : x
  2. Step 2: Convert to fraction form
    1,312,797.12/1,799,845.38 = 1,288,883.46/x
  3. Step 3: Cross multiply
    1,312,797.12x = 1,799,845.38 × 1,288,883.46
  4. Step 4: Simplify right side
    1,312,797.12x = 2,319,790,940,839.41
  5. Step 5: Solve for x
    x = 2,319,790,940,839.41/1,312,797.12
  6. Step 6: Final answer
    x = 1,767,059.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.