Home / 1,200,003.77-1,656,331.82-684,029.31

Finding the Fourth Proportional to 1,200,003.77, 1,656,331.82 and 684,029.31

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Solution

The fourth proportional to 1,200,003.77, 1,656,331.82 and 684,029.31 is: 944,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,003.77 : 1,656,331.82 = 684,029.31 : x
  2. Step 2: Convert to fraction form
    1,200,003.77/1,656,331.82 = 684,029.31/x
  3. Step 3: Cross multiply
    1,200,003.77x = 1,656,331.82 × 684,029.31
  4. Step 4: Simplify right side
    1,200,003.77x = 1,132,979,511,965.64
  5. Step 5: Solve for x
    x = 1,132,979,511,965.64/1,200,003.77
  6. Step 6: Final answer
    x = 944,146.63

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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.