Home / 1,173,787.32-1,760,797.62-425,891.64

Finding the Fourth Proportional to 1,173,787.32, 1,760,797.62 and 425,891.64

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Solution

The fourth proportional to 1,173,787.32, 1,760,797.62 and 425,891.64 is: 638,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,787.32 : 1,760,797.62 = 425,891.64 : x
  2. Step 2: Convert to fraction form
    1,173,787.32/1,760,797.62 = 425,891.64/x
  3. Step 3: Cross multiply
    1,173,787.32x = 1,760,797.62 × 425,891.64
  4. Step 4: Simplify right side
    1,173,787.32x = 749,908,986,089.90
  5. Step 5: Solve for x
    x = 749,908,986,089.90/1,173,787.32
  6. Step 6: Final answer
    x = 638,879.78

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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.