Home / 1,659,778.29-2,488,190.40-648,670.32

Finding the Fourth Proportional to 1,659,778.29, 2,488,190.40 and 648,670.32

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Solution

The fourth proportional to 1,659,778.29, 2,488,190.40 and 648,670.32 is: 972,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,778.29 : 2,488,190.40 = 648,670.32 : x
  2. Step 2: Convert to fraction form
    1,659,778.29/2,488,190.40 = 648,670.32/x
  3. Step 3: Cross multiply
    1,659,778.29x = 2,488,190.40 × 648,670.32
  4. Step 4: Simplify right side
    1,659,778.29x = 1,614,015,262,988.93
  5. Step 5: Solve for x
    x = 1,614,015,262,988.93/1,659,778.29
  6. Step 6: Final answer
    x = 972,428.23

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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.