Home / 784,843.80-1,177,265.70-774,346.20

Finding the Fourth Proportional to 784,843.80, 1,177,265.70 and 774,346.20

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Solution

The fourth proportional to 784,843.80, 1,177,265.70 and 774,346.20 is: 1,161,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,843.80 : 1,177,265.70 = 774,346.20 : x
  2. Step 2: Convert to fraction form
    784,843.80/1,177,265.70 = 774,346.20/x
  3. Step 3: Cross multiply
    784,843.80x = 1,177,265.70 × 774,346.20
  4. Step 4: Simplify right side
    784,843.80x = 911,611,221,185.34
  5. Step 5: Solve for x
    x = 911,611,221,185.34/784,843.80
  6. Step 6: Final answer
    x = 1,161,519.30

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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.