Home / 822,486.80-1,235,573.40-788,899.60

Finding the Fourth Proportional to 822,486.80, 1,235,573.40 and 788,899.60

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Solution

The fourth proportional to 822,486.80, 1,235,573.40 and 788,899.60 is: 1,185,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,486.80 : 1,235,573.40 = 788,899.60 : x
  2. Step 2: Convert to fraction form
    822,486.80/1,235,573.40 = 788,899.60/x
  3. Step 3: Cross multiply
    822,486.80x = 1,235,573.40 × 788,899.60
  4. Step 4: Simplify right side
    822,486.80x = 974,743,361,030.64
  5. Step 5: Solve for x
    x = 974,743,361,030.64/822,486.80
  6. Step 6: Final answer
    x = 1,185,117.33

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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.