Home / 1,353,328.97-2,030,446.62-442,553.43

Finding the Fourth Proportional to 1,353,328.97, 2,030,446.62 and 442,553.43

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Solution

The fourth proportional to 1,353,328.97, 2,030,446.62 and 442,553.43 is: 663,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,328.97 : 2,030,446.62 = 442,553.43 : x
  2. Step 2: Convert to fraction form
    1,353,328.97/2,030,446.62 = 442,553.43/x
  3. Step 3: Cross multiply
    1,353,328.97x = 2,030,446.62 × 442,553.43
  4. Step 4: Simplify right side
    1,353,328.97x = 898,581,116,112.91
  5. Step 5: Solve for x
    x = 898,581,116,112.91/1,353,328.97
  6. Step 6: Final answer
    x = 663,978.33

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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.