Home / 1,005,345.82-1,387,342.08-552,633.58

Finding the Fourth Proportional to 1,005,345.82, 1,387,342.08 and 552,633.58

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Solution

The fourth proportional to 1,005,345.82, 1,387,342.08 and 552,633.58 is: 762,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,345.82 : 1,387,342.08 = 552,633.58 : x
  2. Step 2: Convert to fraction form
    1,005,345.82/1,387,342.08 = 552,633.58/x
  3. Step 3: Cross multiply
    1,005,345.82x = 1,387,342.08 × 552,633.58
  4. Step 4: Simplify right side
    1,005,345.82x = 766,691,820,355.05
  5. Step 5: Solve for x
    x = 766,691,820,355.05/1,005,345.82
  6. Step 6: Final answer
    x = 762,615.02

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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.