Home / 1,226,690.12-1,692,888.17-682,860.39

Finding the Fourth Proportional to 1,226,690.12, 1,692,888.17 and 682,860.39

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Solution

The fourth proportional to 1,226,690.12, 1,692,888.17 and 682,860.39 is: 942,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,690.12 : 1,692,888.17 = 682,860.39 : x
  2. Step 2: Convert to fraction form
    1,226,690.12/1,692,888.17 = 682,860.39/x
  3. Step 3: Cross multiply
    1,226,690.12x = 1,692,888.17 × 682,860.39
  4. Step 4: Simplify right side
    1,226,690.12x = 1,156,006,275,992.59
  5. Step 5: Solve for x
    x = 1,156,006,275,992.59/1,226,690.12
  6. Step 6: Final answer
    x = 942,378.40

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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.