Home / 1,209,617.26-1,813,408.92-809,035.40

Finding the Fourth Proportional to 1,209,617.26, 1,813,408.92 and 809,035.40

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Solution

The fourth proportional to 1,209,617.26, 1,813,408.92 and 809,035.40 is: 1,212,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,617.26 : 1,813,408.92 = 809,035.40 : x
  2. Step 2: Convert to fraction form
    1,209,617.26/1,813,408.92 = 809,035.40/x
  3. Step 3: Cross multiply
    1,209,617.26x = 1,813,408.92 × 809,035.40
  4. Step 4: Simplify right side
    1,209,617.26x = 1,467,112,010,955.77
  5. Step 5: Solve for x
    x = 1,467,112,010,955.77/1,209,617.26
  6. Step 6: Final answer
    x = 1,212,872.91

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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.