Home / 1,124,448.90-1,687,450.95-809,132.10

Finding the Fourth Proportional to 1,124,448.90, 1,687,450.95 and 809,132.10

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Solution

The fourth proportional to 1,124,448.90, 1,687,450.95 and 809,132.10 is: 1,214,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,448.90 : 1,687,450.95 = 809,132.10 : x
  2. Step 2: Convert to fraction form
    1,124,448.90/1,687,450.95 = 809,132.10/x
  3. Step 3: Cross multiply
    1,124,448.90x = 1,687,450.95 × 809,132.10
  4. Step 4: Simplify right side
    1,124,448.90x = 1,365,370,730,820.49
  5. Step 5: Solve for x
    x = 1,365,370,730,820.49/1,124,448.90
  6. Step 6: Final answer
    x = 1,214,257.70

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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.