Home / 1,103,935.40-1,655,903.10-726,021.80

Finding the Fourth Proportional to 1,103,935.40, 1,655,903.10 and 726,021.80

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Solution

The fourth proportional to 1,103,935.40, 1,655,903.10 and 726,021.80 is: 1,089,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,935.40 : 1,655,903.10 = 726,021.80 : x
  2. Step 2: Convert to fraction form
    1,103,935.40/1,655,903.10 = 726,021.80/x
  3. Step 3: Cross multiply
    1,103,935.40x = 1,655,903.10 × 726,021.80
  4. Step 4: Simplify right side
    1,103,935.40x = 1,202,221,749,287.58
  5. Step 5: Solve for x
    x = 1,202,221,749,287.58/1,103,935.40
  6. Step 6: Final answer
    x = 1,089,032.70

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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.