Home / 1,308,449.20-1,960,670.84-880,399.76

Finding the Fourth Proportional to 1,308,449.20, 1,960,670.84 and 880,399.76

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Solution

The fourth proportional to 1,308,449.20, 1,960,670.84 and 880,399.76 is: 1,319,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,449.20 : 1,960,670.84 = 880,399.76 : x
  2. Step 2: Convert to fraction form
    1,308,449.20/1,960,670.84 = 880,399.76/x
  3. Step 3: Cross multiply
    1,308,449.20x = 1,960,670.84 × 880,399.76
  4. Step 4: Simplify right side
    1,308,449.20x = 1,726,174,136,975.00
  5. Step 5: Solve for x
    x = 1,726,174,136,975.00/1,308,449.20
  6. Step 6: Final answer
    x = 1,319,251.93

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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.