Home / 1,415,960.91-2,122,666.02-516,771.72

Finding the Fourth Proportional to 1,415,960.91, 2,122,666.02 and 516,771.72

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Solution

The fourth proportional to 1,415,960.91, 2,122,666.02 and 516,771.72 is: 774,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,960.91 : 2,122,666.02 = 516,771.72 : x
  2. Step 2: Convert to fraction form
    1,415,960.91/2,122,666.02 = 516,771.72/x
  3. Step 3: Cross multiply
    1,415,960.91x = 2,122,666.02 × 516,771.72
  4. Step 4: Simplify right side
    1,415,960.91x = 1,096,933,770,140.95
  5. Step 5: Solve for x
    x = 1,096,933,770,140.95/1,415,960.91
  6. Step 6: Final answer
    x = 774,692.13

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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.