Home / 1,443,057.35-2,164,922.88-418,409.06

Finding the Fourth Proportional to 1,443,057.35, 2,164,922.88 and 418,409.06

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Solution

The fourth proportional to 1,443,057.35, 2,164,922.88 and 418,409.06 is: 627,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,057.35 : 2,164,922.88 = 418,409.06 : x
  2. Step 2: Convert to fraction form
    1,443,057.35/2,164,922.88 = 418,409.06/x
  3. Step 3: Cross multiply
    1,443,057.35x = 2,164,922.88 × 418,409.06
  4. Step 4: Simplify right side
    1,443,057.35x = 905,823,347,193.29
  5. Step 5: Solve for x
    x = 905,823,347,193.29/1,443,057.35
  6. Step 6: Final answer
    x = 627,711.26

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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.