Home / 1,240,633.86-1,712,165.61-696,801.88

Finding the Fourth Proportional to 1,240,633.86, 1,712,165.61 and 696,801.88

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Solution

The fourth proportional to 1,240,633.86, 1,712,165.61 and 696,801.88 is: 961,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,633.86 : 1,712,165.61 = 696,801.88 : x
  2. Step 2: Convert to fraction form
    1,240,633.86/1,712,165.61 = 696,801.88/x
  3. Step 3: Cross multiply
    1,240,633.86x = 1,712,165.61 × 696,801.88
  4. Step 4: Simplify right side
    1,240,633.86x = 1,193,040,215,919.35
  5. Step 5: Solve for x
    x = 1,193,040,215,919.35/1,240,633.86
  6. Step 6: Final answer
    x = 961,637.64

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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.