Home / 1,581,378.77-2,372,213.97-516,426.41

Finding the Fourth Proportional to 1,581,378.77, 2,372,213.97 and 516,426.41

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Solution

The fourth proportional to 1,581,378.77, 2,372,213.97 and 516,426.41 is: 774,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,378.77 : 2,372,213.97 = 516,426.41 : x
  2. Step 2: Convert to fraction form
    1,581,378.77/2,372,213.97 = 516,426.41/x
  3. Step 3: Cross multiply
    1,581,378.77x = 2,372,213.97 × 516,426.41
  4. Step 4: Simplify right side
    1,581,378.77x = 1,225,073,932,417.88
  5. Step 5: Solve for x
    x = 1,225,073,932,417.88/1,581,378.77
  6. Step 6: Final answer
    x = 774,687.23

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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.