Home / 1,581,378.89-2,372,214.16-516,426.53

Finding the Fourth Proportional to 1,581,378.89, 2,372,214.16 and 516,426.53

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Solution

The fourth proportional to 1,581,378.89, 2,372,214.16 and 516,426.53 is: 774,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,378.89 : 2,372,214.16 = 516,426.53 : x
  2. Step 2: Convert to fraction form
    1,581,378.89/2,372,214.16 = 516,426.53/x
  3. Step 3: Cross multiply
    1,581,378.89x = 2,372,214.16 × 516,426.53
  4. Step 4: Simplify right side
    1,581,378.89x = 1,225,074,327,065.67
  5. Step 5: Solve for x
    x = 1,225,074,327,065.67/1,581,378.89
  6. Step 6: Final answer
    x = 774,687.42

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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.