Home / 1,085,878.81-1,498,583.61-627,012.73

Finding the Fourth Proportional to 1,085,878.81, 1,498,583.61 and 627,012.73

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Solution

The fourth proportional to 1,085,878.81, 1,498,583.61 and 627,012.73 is: 865,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,878.81 : 1,498,583.61 = 627,012.73 : x
  2. Step 2: Convert to fraction form
    1,085,878.81/1,498,583.61 = 627,012.73/x
  3. Step 3: Cross multiply
    1,085,878.81x = 1,498,583.61 × 627,012.73
  4. Step 4: Simplify right side
    1,085,878.81x = 939,631,000,439.36
  5. Step 5: Solve for x
    x = 939,631,000,439.36/1,085,878.81
  6. Step 6: Final answer
    x = 865,318.48

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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.