Home / 1,380,811.80-2,069,273.70-1,096,987.80

Finding the Fourth Proportional to 1,380,811.80, 2,069,273.70 and 1,096,987.80

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Solution

The fourth proportional to 1,380,811.80, 2,069,273.70 and 1,096,987.80 is: 1,643,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,811.80 : 2,069,273.70 = 1,096,987.80 : x
  2. Step 2: Convert to fraction form
    1,380,811.80/2,069,273.70 = 1,096,987.80/x
  3. Step 3: Cross multiply
    1,380,811.80x = 2,069,273.70 × 1,096,987.80
  4. Step 4: Simplify right side
    1,380,811.80x = 2,269,968,003,760.86
  5. Step 5: Solve for x
    x = 2,269,968,003,760.86/1,380,811.80
  6. Step 6: Final answer
    x = 1,643,937.29

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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.