Home / 1,413,108.88-1,950,071.40-768,515.20

Finding the Fourth Proportional to 1,413,108.88, 1,950,071.40 and 768,515.20

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Solution

The fourth proportional to 1,413,108.88, 1,950,071.40 and 768,515.20 is: 1,060,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,108.88 : 1,950,071.40 = 768,515.20 : x
  2. Step 2: Convert to fraction form
    1,413,108.88/1,950,071.40 = 768,515.20/x
  3. Step 3: Cross multiply
    1,413,108.88x = 1,950,071.40 × 768,515.20
  4. Step 4: Simplify right side
    1,413,108.88x = 1,498,659,511,985.28
  5. Step 5: Solve for x
    x = 1,498,659,511,985.28/1,413,108.88
  6. Step 6: Final answer
    x = 1,060,540.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.