Home / 1,448,119.14-1,998,418.14-803,599.20

Finding the Fourth Proportional to 1,448,119.14, 1,998,418.14 and 803,599.20

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Solution

The fourth proportional to 1,448,119.14, 1,998,418.14 and 803,599.20 is: 1,108,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,119.14 : 1,998,418.14 = 803,599.20 : x
  2. Step 2: Convert to fraction form
    1,448,119.14/1,998,418.14 = 803,599.20/x
  3. Step 3: Cross multiply
    1,448,119.14x = 1,998,418.14 × 803,599.20
  4. Step 4: Simplify right side
    1,448,119.14x = 1,605,927,218,569.49
  5. Step 5: Solve for x
    x = 1,605,927,218,569.49/1,448,119.14
  6. Step 6: Final answer
    x = 1,108,974.51

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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.