Home / 1,361,504.46-1,878,860.61-749,644.38

Finding the Fourth Proportional to 1,361,504.46, 1,878,860.61 and 749,644.38

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Solution

The fourth proportional to 1,361,504.46, 1,878,860.61 and 749,644.38 is: 1,034,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,504.46 : 1,878,860.61 = 749,644.38 : x
  2. Step 2: Convert to fraction form
    1,361,504.46/1,878,860.61 = 749,644.38/x
  3. Step 3: Cross multiply
    1,361,504.46x = 1,878,860.61 × 749,644.38
  4. Step 4: Simplify right side
    1,361,504.46x = 1,408,477,297,089.87
  5. Step 5: Solve for x
    x = 1,408,477,297,089.87/1,361,504.46
  6. Step 6: Final answer
    x = 1,034,500.69

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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.