Home / 1,205,469.04-1,663,426.11-722,021.76

Finding the Fourth Proportional to 1,205,469.04, 1,663,426.11 and 722,021.76

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Solution

The fourth proportional to 1,205,469.04, 1,663,426.11 and 722,021.76 is: 996,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,469.04 : 1,663,426.11 = 722,021.76 : x
  2. Step 2: Convert to fraction form
    1,205,469.04/1,663,426.11 = 722,021.76/x
  3. Step 3: Cross multiply
    1,205,469.04x = 1,663,426.11 × 722,021.76
  4. Step 4: Simplify right side
    1,205,469.04x = 1,201,029,847,572.15
  5. Step 5: Solve for x
    x = 1,201,029,847,572.15/1,205,469.04
  6. Step 6: Final answer
    x = 996,317.46

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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.