Home / 1,226,616.40-1,692,730.71-682,740.48

Finding the Fourth Proportional to 1,226,616.40, 1,692,730.71 and 682,740.48

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Solution

The fourth proportional to 1,226,616.40, 1,692,730.71 and 682,740.48 is: 942,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,616.40 : 1,692,730.71 = 682,740.48 : x
  2. Step 2: Convert to fraction form
    1,226,616.40/1,692,730.71 = 682,740.48/x
  3. Step 3: Cross multiply
    1,226,616.40x = 1,692,730.71 × 682,740.48
  4. Step 4: Simplify right side
    1,226,616.40x = 1,155,695,777,456.14
  5. Step 5: Solve for x
    x = 1,155,695,777,456.14/1,226,616.40
  6. Step 6: Final answer
    x = 942,181.91

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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.