Home / 1,226,411.31-1,692,447.61-682,675.55

Finding the Fourth Proportional to 1,226,411.31, 1,692,447.61 and 682,675.55

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Solution

The fourth proportional to 1,226,411.31, 1,692,447.61 and 682,675.55 is: 942,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,411.31 : 1,692,447.61 = 682,675.55 : x
  2. Step 2: Convert to fraction form
    1,226,411.31/1,692,447.61 = 682,675.55/x
  3. Step 3: Cross multiply
    1,226,411.31x = 1,692,447.61 × 682,675.55
  4. Step 4: Simplify right side
    1,226,411.31x = 1,155,392,595,394.04
  5. Step 5: Solve for x
    x = 1,155,392,595,394.04/1,226,411.31
  6. Step 6: Final answer
    x = 942,092.26

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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.