Home / 1,281,787.80-1,922,791.46-335,157

Finding the Fourth Proportional to 1,281,787.80, 1,922,791.46 and 335,157

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Solution

The fourth proportional to 1,281,787.80, 1,922,791.46 and 335,157 is: 502,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,787.80 : 1,922,791.46 = 335,157 : x
  2. Step 2: Convert to fraction form
    1,281,787.80/1,922,791.46 = 335,157/x
  3. Step 3: Cross multiply
    1,281,787.80x = 1,922,791.46 × 335,157
  4. Step 4: Simplify right side
    1,281,787.80x = 644,437,015,683.44
  5. Step 5: Solve for x
    x = 644,437,015,683.44/1,281,787.80
  6. Step 6: Final answer
    x = 502,764.20

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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.