Home / 1,367,947.29-1,887,763.31-764,335.77

Finding the Fourth Proportional to 1,367,947.29, 1,887,763.31 and 764,335.77

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Solution

The fourth proportional to 1,367,947.29, 1,887,763.31 and 764,335.77 is: 1,054,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,947.29 : 1,887,763.31 = 764,335.77 : x
  2. Step 2: Convert to fraction form
    1,367,947.29/1,887,763.31 = 764,335.77/x
  3. Step 3: Cross multiply
    1,367,947.29x = 1,887,763.31 × 764,335.77
  4. Step 4: Simplify right side
    1,367,947.29x = 1,442,885,019,304.92
  5. Step 5: Solve for x
    x = 1,442,885,019,304.92/1,367,947.29
  6. Step 6: Final answer
    x = 1,054,781.15

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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.