Home / 1,103,923.40-1,655,885.10-726,009.80

Finding the Fourth Proportional to 1,103,923.40, 1,655,885.10 and 726,009.80

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Solution

The fourth proportional to 1,103,923.40, 1,655,885.10 and 726,009.80 is: 1,089,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,923.40 : 1,655,885.10 = 726,009.80 : x
  2. Step 2: Convert to fraction form
    1,103,923.40/1,655,885.10 = 726,009.80/x
  3. Step 3: Cross multiply
    1,103,923.40x = 1,655,885.10 × 726,009.80
  4. Step 4: Simplify right side
    1,103,923.40x = 1,202,188,810,273.98
  5. Step 5: Solve for x
    x = 1,202,188,810,273.98/1,103,923.40
  6. Step 6: Final answer
    x = 1,089,014.70

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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.