Home / 1,321,635-1,982,446.02-375,007.44

Finding the Fourth Proportional to 1,321,635, 1,982,446.02 and 375,007.44

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Solution

The fourth proportional to 1,321,635, 1,982,446.02 and 375,007.44 is: 562,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,635 : 1,982,446.02 = 375,007.44 : x
  2. Step 2: Convert to fraction form
    1,321,635/1,982,446.02 = 375,007.44/x
  3. Step 3: Cross multiply
    1,321,635x = 1,982,446.02 × 375,007.44
  4. Step 4: Simplify right side
    1,321,635x = 743,432,006,898.39
  5. Step 5: Solve for x
    x = 743,432,006,898.39/1,321,635
  6. Step 6: Final answer
    x = 562,509.32

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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.