Home / 1,313,265.29-1,969,956.95-402,381.03

Finding the Fourth Proportional to 1,313,265.29, 1,969,956.95 and 402,381.03

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Solution

The fourth proportional to 1,313,265.29, 1,969,956.95 and 402,381.03 is: 603,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,265.29 : 1,969,956.95 = 402,381.03 : x
  2. Step 2: Convert to fraction form
    1,313,265.29/1,969,956.95 = 402,381.03/x
  3. Step 3: Cross multiply
    1,313,265.29x = 1,969,956.95 × 402,381.03
  4. Step 4: Simplify right side
    1,313,265.29x = 792,673,304,584.75
  5. Step 5: Solve for x
    x = 792,673,304,584.75/1,313,265.29
  6. Step 6: Final answer
    x = 603,589.62

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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.