Home / 774,136.80-1,158,872.40-680,824.80

Finding the Fourth Proportional to 774,136.80, 1,158,872.40 and 680,824.80

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Solution

The fourth proportional to 774,136.80, 1,158,872.40 and 680,824.80 is: 1,019,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,136.80 : 1,158,872.40 = 680,824.80 : x
  2. Step 2: Convert to fraction form
    774,136.80/1,158,872.40 = 680,824.80/x
  3. Step 3: Cross multiply
    774,136.80x = 1,158,872.40 × 680,824.80
  4. Step 4: Simplify right side
    774,136.80x = 788,989,069,955.52
  5. Step 5: Solve for x
    x = 788,989,069,955.52/774,136.80
  6. Step 6: Final answer
    x = 1,019,185.59

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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.