Home / 816,797.80-1,225,196.70-780,056.20

Finding the Fourth Proportional to 816,797.80, 1,225,196.70 and 780,056.20

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Solution

The fourth proportional to 816,797.80, 1,225,196.70 and 780,056.20 is: 1,170,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,797.80 : 1,225,196.70 = 780,056.20 : x
  2. Step 2: Convert to fraction form
    816,797.80/1,225,196.70 = 780,056.20/x
  3. Step 3: Cross multiply
    816,797.80x = 1,225,196.70 × 780,056.20
  4. Step 4: Simplify right side
    816,797.80x = 955,722,282,054.54
  5. Step 5: Solve for x
    x = 955,722,282,054.54/816,797.80
  6. Step 6: Final answer
    x = 1,170,084.30

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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.