Home / 1,361,310.67-1,878,537.41-749,343.90

Finding the Fourth Proportional to 1,361,310.67, 1,878,537.41 and 749,343.90

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Solution

The fourth proportional to 1,361,310.67, 1,878,537.41 and 749,343.90 is: 1,034,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,310.67 : 1,878,537.41 = 749,343.90 : x
  2. Step 2: Convert to fraction form
    1,361,310.67/1,878,537.41 = 749,343.90/x
  3. Step 3: Cross multiply
    1,361,310.67x = 1,878,537.41 × 749,343.90
  4. Step 4: Simplify right side
    1,361,310.67x = 1,407,670,545,358.58
  5. Step 5: Solve for x
    x = 1,407,670,545,358.58/1,361,310.67
  6. Step 6: Final answer
    x = 1,034,055.32

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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.