Home / 1,787,658.96-2,467,017.10-971,917.58

Finding the Fourth Proportional to 1,787,658.96, 2,467,017.10 and 971,917.58

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Solution

The fourth proportional to 1,787,658.96, 2,467,017.10 and 971,917.58 is: 1,341,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,658.96 : 2,467,017.10 = 971,917.58 : x
  2. Step 2: Convert to fraction form
    1,787,658.96/2,467,017.10 = 971,917.58/x
  3. Step 3: Cross multiply
    1,787,658.96x = 2,467,017.10 × 971,917.58
  4. Step 4: Simplify right side
    1,787,658.96x = 2,397,737,297,033.06
  5. Step 5: Solve for x
    x = 2,397,737,297,033.06/1,787,658.96
  6. Step 6: Final answer
    x = 1,341,272.21

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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.