Home / 1,283,174.07-1,770,967.22-739,205.21

Finding the Fourth Proportional to 1,283,174.07, 1,770,967.22 and 739,205.21

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Solution

The fourth proportional to 1,283,174.07, 1,770,967.22 and 739,205.21 is: 1,020,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,174.07 : 1,770,967.22 = 739,205.21 : x
  2. Step 2: Convert to fraction form
    1,283,174.07/1,770,967.22 = 739,205.21/x
  3. Step 3: Cross multiply
    1,283,174.07x = 1,770,967.22 × 739,205.21
  4. Step 4: Simplify right side
    1,283,174.07x = 1,309,108,183,212.35
  5. Step 5: Solve for x
    x = 1,309,108,183,212.35/1,283,174.07
  6. Step 6: Final answer
    x = 1,020,210.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.