Home / 822,634.80-1,235,795.40-789,047.60

Finding the Fourth Proportional to 822,634.80, 1,235,795.40 and 789,047.60

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Solution

The fourth proportional to 822,634.80, 1,235,795.40 and 789,047.60 is: 1,185,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,634.80 : 1,235,795.40 = 789,047.60 : x
  2. Step 2: Convert to fraction form
    822,634.80/1,235,795.40 = 789,047.60/x
  3. Step 3: Cross multiply
    822,634.80x = 1,235,795.40 × 789,047.60
  4. Step 4: Simplify right side
    822,634.80x = 975,101,394,461.04
  5. Step 5: Solve for x
    x = 975,101,394,461.04/822,634.80
  6. Step 6: Final answer
    x = 1,185,339.34

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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.