Home / 1,293,604.05-1,785,151.17-749,790.45

Finding the Fourth Proportional to 1,293,604.05, 1,785,151.17 and 749,790.45

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Solution

The fourth proportional to 1,293,604.05, 1,785,151.17 and 749,790.45 is: 1,034,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,604.05 : 1,785,151.17 = 749,790.45 : x
  2. Step 2: Convert to fraction form
    1,293,604.05/1,785,151.17 = 749,790.45/x
  3. Step 3: Cross multiply
    1,293,604.05x = 1,785,151.17 × 749,790.45
  4. Step 4: Simplify right side
    1,293,604.05x = 1,338,489,299,072.33
  5. Step 5: Solve for x
    x = 1,338,489,299,072.33/1,293,604.05
  6. Step 6: Final answer
    x = 1,034,697.83

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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.