Home / 1,404,485.25-1,938,175.86-759,891.30

Finding the Fourth Proportional to 1,404,485.25, 1,938,175.86 and 759,891.30

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Solution

The fourth proportional to 1,404,485.25, 1,938,175.86 and 759,891.30 is: 1,048,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,485.25 : 1,938,175.86 = 759,891.30 : x
  2. Step 2: Convert to fraction form
    1,404,485.25/1,938,175.86 = 759,891.30/x
  3. Step 3: Cross multiply
    1,404,485.25x = 1,938,175.86 × 759,891.30
  4. Step 4: Simplify right side
    1,404,485.25x = 1,472,802,973,884.02
  5. Step 5: Solve for x
    x = 1,472,802,973,884.02/1,404,485.25
  6. Step 6: Final answer
    x = 1,048,642.54

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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.