Home / 1,099,243.27-1,648,868.61-389,292.04

Finding the Fourth Proportional to 1,099,243.27, 1,648,868.61 and 389,292.04

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Solution

The fourth proportional to 1,099,243.27, 1,648,868.61 and 389,292.04 is: 583,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,243.27 : 1,648,868.61 = 389,292.04 : x
  2. Step 2: Convert to fraction form
    1,099,243.27/1,648,868.61 = 389,292.04/x
  3. Step 3: Cross multiply
    1,099,243.27x = 1,648,868.61 × 389,292.04
  4. Step 4: Simplify right side
    1,099,243.27x = 641,891,424,878.86
  5. Step 5: Solve for x
    x = 641,891,424,878.86/1,099,243.27
  6. Step 6: Final answer
    x = 583,939.37

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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.