Home / 1,340,100.80-2,009,718.64-441,328.80

Finding the Fourth Proportional to 1,340,100.80, 2,009,718.64 and 441,328.80

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Solution

The fourth proportional to 1,340,100.80, 2,009,718.64 and 441,328.80 is: 661,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,100.80 : 2,009,718.64 = 441,328.80 : x
  2. Step 2: Convert to fraction form
    1,340,100.80/2,009,718.64 = 441,328.80/x
  3. Step 3: Cross multiply
    1,340,100.80x = 2,009,718.64 × 441,328.80
  4. Step 4: Simplify right side
    1,340,100.80x = 886,946,715,728.83
  5. Step 5: Solve for x
    x = 886,946,715,728.83/1,340,100.80
  6. Step 6: Final answer
    x = 661,850.75

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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.