Home / 1,226,619.45-1,692,734.91-682,743.58

Finding the Fourth Proportional to 1,226,619.45, 1,692,734.91 and 682,743.58

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Solution

The fourth proportional to 1,226,619.45, 1,692,734.91 and 682,743.58 is: 942,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,619.45 : 1,692,734.91 = 682,743.58 : x
  2. Step 2: Convert to fraction form
    1,226,619.45/1,692,734.91 = 682,743.58/x
  3. Step 3: Cross multiply
    1,226,619.45x = 1,692,734.91 × 682,743.58
  4. Step 4: Simplify right side
    1,226,619.45x = 1,155,703,892,444.38
  5. Step 5: Solve for x
    x = 1,155,703,892,444.38/1,226,619.45
  6. Step 6: Final answer
    x = 942,186.18

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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.