Home / 1,690,162.59-2,332,442.75-926,199.75

Finding the Fourth Proportional to 1,690,162.59, 2,332,442.75 and 926,199.75

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Solution

The fourth proportional to 1,690,162.59, 2,332,442.75 and 926,199.75 is: 1,278,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,162.59 : 2,332,442.75 = 926,199.75 : x
  2. Step 2: Convert to fraction form
    1,690,162.59/2,332,442.75 = 926,199.75/x
  3. Step 3: Cross multiply
    1,690,162.59x = 2,332,442.75 × 926,199.75
  4. Step 4: Simplify right side
    1,690,162.59x = 2,160,307,887,308.31
  5. Step 5: Solve for x
    x = 2,160,307,887,308.31/1,690,162.59
  6. Step 6: Final answer
    x = 1,278,165.72

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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.