Home / 1,271,811.30-1,907,716.95-1,100,569.20

Finding the Fourth Proportional to 1,271,811.30, 1,907,716.95 and 1,100,569.20

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Solution

The fourth proportional to 1,271,811.30, 1,907,716.95 and 1,100,569.20 is: 1,650,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,811.30 : 1,907,716.95 = 1,100,569.20 : x
  2. Step 2: Convert to fraction form
    1,271,811.30/1,907,716.95 = 1,100,569.20/x
  3. Step 3: Cross multiply
    1,271,811.30x = 1,907,716.95 × 1,100,569.20
  4. Step 4: Simplify right side
    1,271,811.30x = 2,099,574,517,487.94
  5. Step 5: Solve for x
    x = 2,099,574,517,487.94/1,271,811.30
  6. Step 6: Final answer
    x = 1,650,853.80

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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.