Home / 1,448,018.68-1,998,235.20-803,425

Finding the Fourth Proportional to 1,448,018.68, 1,998,235.20 and 803,425

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Solution

The fourth proportional to 1,448,018.68, 1,998,235.20 and 803,425 is: 1,108,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,018.68 : 1,998,235.20 = 803,425 : x
  2. Step 2: Convert to fraction form
    1,448,018.68/1,998,235.20 = 803,425/x
  3. Step 3: Cross multiply
    1,448,018.68x = 1,998,235.20 × 803,425
  4. Step 4: Simplify right side
    1,448,018.68x = 1,605,432,115,560
  5. Step 5: Solve for x
    x = 1,605,432,115,560/1,448,018.68
  6. Step 6: Final answer
    x = 1,108,709.53

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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.