Home / 1,073,809.20-1,608,870.60-699,639.60

Finding the Fourth Proportional to 1,073,809.20, 1,608,870.60 and 699,639.60

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Solution

The fourth proportional to 1,073,809.20, 1,608,870.60 and 699,639.60 is: 1,048,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,809.20 : 1,608,870.60 = 699,639.60 : x
  2. Step 2: Convert to fraction form
    1,073,809.20/1,608,870.60 = 699,639.60/x
  3. Step 3: Cross multiply
    1,073,809.20x = 1,608,870.60 × 699,639.60
  4. Step 4: Simplify right side
    1,073,809.20x = 1,125,629,583,035.76
  5. Step 5: Solve for x
    x = 1,125,629,583,035.76/1,073,809.20
  6. Step 6: Final answer
    x = 1,048,258.46

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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.