Home / 1,448,012.89-1,998,227.27-803,419.21

Finding the Fourth Proportional to 1,448,012.89, 1,998,227.27 and 803,419.21

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Solution

The fourth proportional to 1,448,012.89, 1,998,227.27 and 803,419.21 is: 1,108,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,012.89 : 1,998,227.27 = 803,419.21 : x
  2. Step 2: Convert to fraction form
    1,448,012.89/1,998,227.27 = 803,419.21/x
  3. Step 3: Cross multiply
    1,448,012.89x = 1,998,227.27 × 803,419.21
  4. Step 4: Simplify right side
    1,448,012.89x = 1,605,414,170,646.76
  5. Step 5: Solve for x
    x = 1,605,414,170,646.76/1,448,012.89
  6. Step 6: Final answer
    x = 1,108,701.57

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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.