Home / 1,333,079.51-1,839,648.74-721,232.55

Finding the Fourth Proportional to 1,333,079.51, 1,839,648.74 and 721,232.55

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Solution

The fourth proportional to 1,333,079.51, 1,839,648.74 and 721,232.55 is: 995,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,079.51 : 1,839,648.74 = 721,232.55 : x
  2. Step 2: Convert to fraction form
    1,333,079.51/1,839,648.74 = 721,232.55/x
  3. Step 3: Cross multiply
    1,333,079.51x = 1,839,648.74 × 721,232.55
  4. Step 4: Simplify right side
    1,333,079.51x = 1,326,814,548,248.32
  5. Step 5: Solve for x
    x = 1,326,814,548,248.32/1,333,079.51
  6. Step 6: Final answer
    x = 995,300.39

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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.