Home / 1,766,419.42-2,436,496.25-1,275,571.53

Finding the Fourth Proportional to 1,766,419.42, 2,436,496.25 and 1,275,571.53

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Solution

The fourth proportional to 1,766,419.42, 2,436,496.25 and 1,275,571.53 is: 1,759,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,419.42 : 2,436,496.25 = 1,275,571.53 : x
  2. Step 2: Convert to fraction form
    1,766,419.42/2,436,496.25 = 1,275,571.53/x
  3. Step 3: Cross multiply
    1,766,419.42x = 2,436,496.25 × 1,275,571.53
  4. Step 4: Simplify right side
    1,766,419.42x = 3,107,925,249,451.76
  5. Step 5: Solve for x
    x = 3,107,925,249,451.76/1,766,419.42
  6. Step 6: Final answer
    x = 1,759,449.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.