Home / 1,289,634.03-1,777,819.28-901,243.61

Finding the Fourth Proportional to 1,289,634.03, 1,777,819.28 and 901,243.61

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Solution

The fourth proportional to 1,289,634.03, 1,777,819.28 and 901,243.61 is: 1,242,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,634.03 : 1,777,819.28 = 901,243.61 : x
  2. Step 2: Convert to fraction form
    1,289,634.03/1,777,819.28 = 901,243.61/x
  3. Step 3: Cross multiply
    1,289,634.03x = 1,777,819.28 × 901,243.61
  4. Step 4: Simplify right side
    1,289,634.03x = 1,602,248,252,439.49
  5. Step 5: Solve for x
    x = 1,602,248,252,439.49/1,289,634.03
  6. Step 6: Final answer
    x = 1,242,405.38

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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.