Home / 947,030.80-1,420,546.20-843,811.60

Finding the Fourth Proportional to 947,030.80, 1,420,546.20 and 843,811.60

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Solution

The fourth proportional to 947,030.80, 1,420,546.20 and 843,811.60 is: 1,265,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,030.80 : 1,420,546.20 = 843,811.60 : x
  2. Step 2: Convert to fraction form
    947,030.80/1,420,546.20 = 843,811.60/x
  3. Step 3: Cross multiply
    947,030.80x = 1,420,546.20 × 843,811.60
  4. Step 4: Simplify right side
    947,030.80x = 1,198,673,361,895.92
  5. Step 5: Solve for x
    x = 1,198,673,361,895.92/947,030.80
  6. Step 6: Final answer
    x = 1,265,717.40

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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.