Home / 1,367,863.80-1,887,881.64-926,138

Finding the Fourth Proportional to 1,367,863.80, 1,887,881.64 and 926,138

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Solution

The fourth proportional to 1,367,863.80, 1,887,881.64 and 926,138 is: 1,278,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,863.80 : 1,887,881.64 = 926,138 : x
  2. Step 2: Convert to fraction form
    1,367,863.80/1,887,881.64 = 926,138/x
  3. Step 3: Cross multiply
    1,367,863.80x = 1,887,881.64 × 926,138
  4. Step 4: Simplify right side
    1,367,863.80x = 1,748,438,926,306.32
  5. Step 5: Solve for x
    x = 1,748,438,926,306.32/1,367,863.80
  6. Step 6: Final answer
    x = 1,278,225.89

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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.