Home / 1,281,574.80-1,922,362.20-682,227.45

Finding the Fourth Proportional to 1,281,574.80, 1,922,362.20 and 682,227.45

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Solution

The fourth proportional to 1,281,574.80, 1,922,362.20 and 682,227.45 is: 1,023,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,574.80 : 1,922,362.20 = 682,227.45 : x
  2. Step 2: Convert to fraction form
    1,281,574.80/1,922,362.20 = 682,227.45/x
  3. Step 3: Cross multiply
    1,281,574.80x = 1,922,362.20 × 682,227.45
  4. Step 4: Simplify right side
    1,281,574.80x = 1,311,488,261,682.39
  5. Step 5: Solve for x
    x = 1,311,488,261,682.39/1,281,574.80
  6. Step 6: Final answer
    x = 1,023,341.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.