Home / 1,355,753.94-1,873,415.82-987,590.10

Finding the Fourth Proportional to 1,355,753.94, 1,873,415.82 and 987,590.10

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Solution

The fourth proportional to 1,355,753.94, 1,873,415.82 and 987,590.10 is: 1,364,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,753.94 : 1,873,415.82 = 987,590.10 : x
  2. Step 2: Convert to fraction form
    1,355,753.94/1,873,415.82 = 987,590.10/x
  3. Step 3: Cross multiply
    1,355,753.94x = 1,873,415.82 × 987,590.10
  4. Step 4: Simplify right side
    1,355,753.94x = 1,850,166,917,015.38
  5. Step 5: Solve for x
    x = 1,850,166,917,015.38/1,355,753.94
  6. Step 6: Final answer
    x = 1,364,677.51

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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.