Home / 1,960,436.80-2,940,730.08-612,723.52

Finding the Fourth Proportional to 1,960,436.80, 2,940,730.08 and 612,723.52

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Solution

The fourth proportional to 1,960,436.80, 2,940,730.08 and 612,723.52 is: 919,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,436.80 : 2,940,730.08 = 612,723.52 : x
  2. Step 2: Convert to fraction form
    1,960,436.80/2,940,730.08 = 612,723.52/x
  3. Step 3: Cross multiply
    1,960,436.80x = 2,940,730.08 × 612,723.52
  4. Step 4: Simplify right side
    1,960,436.80x = 1,801,854,485,987.48
  5. Step 5: Solve for x
    x = 1,801,854,485,987.48/1,960,436.80
  6. Step 6: Final answer
    x = 919,108.68

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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.