Home / 1,359,215.87-2,036,069.98-628,700.80

Finding the Fourth Proportional to 1,359,215.87, 2,036,069.98 and 628,700.80

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Solution

The fourth proportional to 1,359,215.87, 2,036,069.98 and 628,700.80 is: 941,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,215.87 : 2,036,069.98 = 628,700.80 : x
  2. Step 2: Convert to fraction form
    1,359,215.87/2,036,069.98 = 628,700.80/x
  3. Step 3: Cross multiply
    1,359,215.87x = 2,036,069.98 × 628,700.80
  4. Step 4: Simplify right side
    1,359,215.87x = 1,280,078,824,195.78
  5. Step 5: Solve for x
    x = 1,280,078,824,195.78/1,359,215.87
  6. Step 6: Final answer
    x = 941,777.43

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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.