Home / 1,363,220.72-1,881,326.80-751,372.64

Finding the Fourth Proportional to 1,363,220.72, 1,881,326.80 and 751,372.64

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Solution

The fourth proportional to 1,363,220.72, 1,881,326.80 and 751,372.64 is: 1,036,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,220.72 : 1,881,326.80 = 751,372.64 : x
  2. Step 2: Convert to fraction form
    1,363,220.72/1,881,326.80 = 751,372.64/x
  3. Step 3: Cross multiply
    1,363,220.72x = 1,881,326.80 × 751,372.64
  4. Step 4: Simplify right side
    1,363,220.72x = 1,413,577,484,418.75
  5. Step 5: Solve for x
    x = 1,413,577,484,418.75/1,363,220.72
  6. Step 6: Final answer
    x = 1,036,939.55

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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.