Home / 1,100,678.94-1,651,018.77-726,614.46

Finding the Fourth Proportional to 1,100,678.94, 1,651,018.77 and 726,614.46

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Solution

The fourth proportional to 1,100,678.94, 1,651,018.77 and 726,614.46 is: 1,089,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,678.94 : 1,651,018.77 = 726,614.46 : x
  2. Step 2: Convert to fraction form
    1,100,678.94/1,651,018.77 = 726,614.46/x
  3. Step 3: Cross multiply
    1,100,678.94x = 1,651,018.77 × 726,614.46
  4. Step 4: Simplify right side
    1,100,678.94x = 1,199,654,112,013.41
  5. Step 5: Solve for x
    x = 1,199,654,112,013.41/1,100,678.94
  6. Step 6: Final answer
    x = 1,089,921.93

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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.