Home / 1,870,920.60-2,807,693.10-1,198,636.80

Finding the Fourth Proportional to 1,870,920.60, 2,807,693.10 and 1,198,636.80

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Solution

The fourth proportional to 1,870,920.60, 2,807,693.10 and 1,198,636.80 is: 1,798,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,920.60 : 2,807,693.10 = 1,198,636.80 : x
  2. Step 2: Convert to fraction form
    1,870,920.60/2,807,693.10 = 1,198,636.80/x
  3. Step 3: Cross multiply
    1,870,920.60x = 2,807,693.10 × 1,198,636.80
  4. Step 4: Simplify right side
    1,870,920.60x = 3,365,404,272,766.08
  5. Step 5: Solve for x
    x = 3,365,404,272,766.08/1,870,920.60
  6. Step 6: Final answer
    x = 1,798,795.88

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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.