Home / 1,174,072.28-1,619,503.61-776,249.35

Finding the Fourth Proportional to 1,174,072.28, 1,619,503.61 and 776,249.35

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Solution

The fourth proportional to 1,174,072.28, 1,619,503.61 and 776,249.35 is: 1,070,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,072.28 : 1,619,503.61 = 776,249.35 : x
  2. Step 2: Convert to fraction form
    1,174,072.28/1,619,503.61 = 776,249.35/x
  3. Step 3: Cross multiply
    1,174,072.28x = 1,619,503.61 × 776,249.35
  4. Step 4: Simplify right side
    1,174,072.28x = 1,257,138,616,655.15
  5. Step 5: Solve for x
    x = 1,257,138,616,655.15/1,174,072.28
  6. Step 6: Final answer
    x = 1,070,750.62

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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.