Home / 1,199,092.32-1,653,963.84-768,690.72

Finding the Fourth Proportional to 1,199,092.32, 1,653,963.84 and 768,690.72

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Solution

The fourth proportional to 1,199,092.32, 1,653,963.84 and 768,690.72 is: 1,060,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,092.32 : 1,653,963.84 = 768,690.72 : x
  2. Step 2: Convert to fraction form
    1,199,092.32/1,653,963.84 = 768,690.72/x
  3. Step 3: Cross multiply
    1,199,092.32x = 1,653,963.84 × 768,690.72
  4. Step 4: Simplify right side
    1,199,092.32x = 1,271,386,655,023.56
  5. Step 5: Solve for x
    x = 1,271,386,655,023.56/1,199,092.32
  6. Step 6: Final answer
    x = 1,060,290.88

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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.