Home / 1,448,020.68-1,998,237.96-803,427

Finding the Fourth Proportional to 1,448,020.68, 1,998,237.96 and 803,427

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Solution

The fourth proportional to 1,448,020.68, 1,998,237.96 and 803,427 is: 1,108,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,020.68 : 1,998,237.96 = 803,427 : x
  2. Step 2: Convert to fraction form
    1,448,020.68/1,998,237.96 = 803,427/x
  3. Step 3: Cross multiply
    1,448,020.68x = 1,998,237.96 × 803,427
  4. Step 4: Simplify right side
    1,448,020.68x = 1,605,438,329,488.92
  5. Step 5: Solve for x
    x = 1,605,438,329,488.92/1,448,020.68
  6. Step 6: Final answer
    x = 1,108,712.29

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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.