Home / 1,101,817.80-1,652,726.70-629,425.80

Finding the Fourth Proportional to 1,101,817.80, 1,652,726.70 and 629,425.80

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Solution

The fourth proportional to 1,101,817.80, 1,652,726.70 and 629,425.80 is: 944,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,817.80 : 1,652,726.70 = 629,425.80 : x
  2. Step 2: Convert to fraction form
    1,101,817.80/1,652,726.70 = 629,425.80/x
  3. Step 3: Cross multiply
    1,101,817.80x = 1,652,726.70 × 629,425.80
  4. Step 4: Simplify right side
    1,101,817.80x = 1,040,268,825,328.86
  5. Step 5: Solve for x
    x = 1,040,268,825,328.86/1,101,817.80
  6. Step 6: Final answer
    x = 944,138.70

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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.