Home / 1,581,861.20-2,372,561.40-459,813.20

Finding the Fourth Proportional to 1,581,861.20, 2,372,561.40 and 459,813.20

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Solution

The fourth proportional to 1,581,861.20, 2,372,561.40 and 459,813.20 is: 689,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,861.20 : 2,372,561.40 = 459,813.20 : x
  2. Step 2: Convert to fraction form
    1,581,861.20/2,372,561.40 = 459,813.20/x
  3. Step 3: Cross multiply
    1,581,861.20x = 2,372,561.40 × 459,813.20
  4. Step 4: Simplify right side
    1,581,861.20x = 1,090,935,049,530.48
  5. Step 5: Solve for x
    x = 1,090,935,049,530.48/1,581,861.20
  6. Step 6: Final answer
    x = 689,652.83

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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.