Home / 1,321,636-1,982,447.52-375,008.44

Finding the Fourth Proportional to 1,321,636, 1,982,447.52 and 375,008.44

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Solution

The fourth proportional to 1,321,636, 1,982,447.52 and 375,008.44 is: 562,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,636 : 1,982,447.52 = 375,008.44 : x
  2. Step 2: Convert to fraction form
    1,321,636/1,982,447.52 = 375,008.44/x
  3. Step 3: Cross multiply
    1,321,636x = 1,982,447.52 × 375,008.44
  4. Step 4: Simplify right side
    1,321,636x = 743,434,551,857.07
  5. Step 5: Solve for x
    x = 743,434,551,857.07/1,321,636
  6. Step 6: Final answer
    x = 562,510.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.