Home / 1,581,378.39-2,372,213.41-516,426.03

Finding the Fourth Proportional to 1,581,378.39, 2,372,213.41 and 516,426.03

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Solution

The fourth proportional to 1,581,378.39, 2,372,213.41 and 516,426.03 is: 774,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,378.39 : 2,372,213.41 = 516,426.03 : x
  2. Step 2: Convert to fraction form
    1,581,378.39/2,372,213.41 = 516,426.03/x
  3. Step 3: Cross multiply
    1,581,378.39x = 2,372,213.41 × 516,426.03
  4. Step 4: Simplify right side
    1,581,378.39x = 1,225,072,752,348.00
  5. Step 5: Solve for x
    x = 1,225,072,752,348.00/1,581,378.39
  6. Step 6: Final answer
    x = 774,686.67

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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.