Home / 1,361,620.38-1,878,961.70-749,656.93

Finding the Fourth Proportional to 1,361,620.38, 1,878,961.70 and 749,656.93

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Solution

The fourth proportional to 1,361,620.38, 1,878,961.70 and 749,656.93 is: 1,034,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,620.38 : 1,878,961.70 = 749,656.93 : x
  2. Step 2: Convert to fraction form
    1,361,620.38/1,878,961.70 = 749,656.93/x
  3. Step 3: Cross multiply
    1,361,620.38x = 1,878,961.70 × 749,656.93
  4. Step 4: Simplify right side
    1,361,620.38x = 1,408,576,646,466.49
  5. Step 5: Solve for x
    x = 1,408,576,646,466.49/1,361,620.38
  6. Step 6: Final answer
    x = 1,034,485.58

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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.