Home / 1,175,320.73-1,622,175.23-762,369.28

Finding the Fourth Proportional to 1,175,320.73, 1,622,175.23 and 762,369.28

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Solution

The fourth proportional to 1,175,320.73, 1,622,175.23 and 762,369.28 is: 1,052,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,320.73 : 1,622,175.23 = 762,369.28 : x
  2. Step 2: Convert to fraction form
    1,175,320.73/1,622,175.23 = 762,369.28/x
  3. Step 3: Cross multiply
    1,175,320.73x = 1,622,175.23 × 762,369.28
  4. Step 4: Simplify right side
    1,175,320.73x = 1,236,696,559,979.42
  5. Step 5: Solve for x
    x = 1,236,696,559,979.42/1,175,320.73
  6. Step 6: Final answer
    x = 1,052,220.49

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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.