Home / 1,122,217.29-1,683,843.53-696,253.48

Finding the Fourth Proportional to 1,122,217.29, 1,683,843.53 and 696,253.48

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Solution

The fourth proportional to 1,122,217.29, 1,683,843.53 and 696,253.48 is: 1,044,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,217.29 : 1,683,843.53 = 696,253.48 : x
  2. Step 2: Convert to fraction form
    1,122,217.29/1,683,843.53 = 696,253.48/x
  3. Step 3: Cross multiply
    1,122,217.29x = 1,683,843.53 × 696,253.48
  4. Step 4: Simplify right side
    1,122,217.29x = 1,172,381,909,847.11
  5. Step 5: Solve for x
    x = 1,172,381,909,847.11/1,122,217.29
  6. Step 6: Final answer
    x = 1,044,701.34

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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.