Home / 1,303,480.80-1,955,221.20-946,821.60

Finding the Fourth Proportional to 1,303,480.80, 1,955,221.20 and 946,821.60

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Solution

The fourth proportional to 1,303,480.80, 1,955,221.20 and 946,821.60 is: 1,420,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,480.80 : 1,955,221.20 = 946,821.60 : x
  2. Step 2: Convert to fraction form
    1,303,480.80/1,955,221.20 = 946,821.60/x
  3. Step 3: Cross multiply
    1,303,480.80x = 1,955,221.20 × 946,821.60
  4. Step 4: Simplify right side
    1,303,480.80x = 1,851,245,664,937.92
  5. Step 5: Solve for x
    x = 1,851,245,664,937.92/1,303,480.80
  6. Step 6: Final answer
    x = 1,420,232.40

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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.