Home / 1,103,919.40-1,655,879.10-726,005.80

Finding the Fourth Proportional to 1,103,919.40, 1,655,879.10 and 726,005.80

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Solution

The fourth proportional to 1,103,919.40, 1,655,879.10 and 726,005.80 is: 1,089,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,919.40 : 1,655,879.10 = 726,005.80 : x
  2. Step 2: Convert to fraction form
    1,103,919.40/1,655,879.10 = 726,005.80/x
  3. Step 3: Cross multiply
    1,103,919.40x = 1,655,879.10 × 726,005.80
  4. Step 4: Simplify right side
    1,103,919.40x = 1,202,177,830,698.78
  5. Step 5: Solve for x
    x = 1,202,177,830,698.78/1,103,919.40
  6. Step 6: Final answer
    x = 1,089,008.70

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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.