Home / 1,424,014.40-2,131,874.40-1,382,542.40

Finding the Fourth Proportional to 1,424,014.40, 2,131,874.40 and 1,382,542.40

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Solution

The fourth proportional to 1,424,014.40, 2,131,874.40 and 1,382,542.40 is: 2,069,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,014.40 : 2,131,874.40 = 1,382,542.40 : x
  2. Step 2: Convert to fraction form
    1,424,014.40/2,131,874.40 = 1,382,542.40/x
  3. Step 3: Cross multiply
    1,424,014.40x = 2,131,874.40 × 1,382,542.40
  4. Step 4: Simplify right side
    1,424,014.40x = 2,947,406,749,474.56
  5. Step 5: Solve for x
    x = 2,947,406,749,474.56/1,424,014.40
  6. Step 6: Final answer
    x = 2,069,787.18

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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.