Home / 1,040,787.32-1,435,760.34-696,637.88

Finding the Fourth Proportional to 1,040,787.32, 1,435,760.34 and 696,637.88

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Solution

The fourth proportional to 1,040,787.32, 1,435,760.34 and 696,637.88 is: 961,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,787.32 : 1,435,760.34 = 696,637.88 : x
  2. Step 2: Convert to fraction form
    1,040,787.32/1,435,760.34 = 696,637.88/x
  3. Step 3: Cross multiply
    1,040,787.32x = 1,435,760.34 × 696,637.88
  4. Step 4: Simplify right side
    1,040,787.32x = 1,000,205,039,445.68
  5. Step 5: Solve for x
    x = 1,000,205,039,445.68/1,040,787.32
  6. Step 6: Final answer
    x = 961,008.09

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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.