Home / 1,209,614.26-1,813,404.43-809,032.40

Finding the Fourth Proportional to 1,209,614.26, 1,813,404.43 and 809,032.40

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Solution

The fourth proportional to 1,209,614.26, 1,813,404.43 and 809,032.40 is: 1,212,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,614.26 : 1,813,404.43 = 809,032.40 : x
  2. Step 2: Convert to fraction form
    1,209,614.26/1,813,404.43 = 809,032.40/x
  3. Step 3: Cross multiply
    1,209,614.26x = 1,813,404.43 × 809,032.40
  4. Step 4: Simplify right side
    1,209,614.26x = 1,467,102,942,567.66
  5. Step 5: Solve for x
    x = 1,467,102,942,567.66/1,209,614.26
  6. Step 6: Final answer
    x = 1,212,868.43

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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.