Home / 1,188,552.28-1,783,135.80-696,015.42

Finding the Fourth Proportional to 1,188,552.28, 1,783,135.80 and 696,015.42

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Solution

The fourth proportional to 1,188,552.28, 1,783,135.80 and 696,015.42 is: 1,044,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,552.28 : 1,783,135.80 = 696,015.42 : x
  2. Step 2: Convert to fraction form
    1,188,552.28/1,783,135.80 = 696,015.42/x
  3. Step 3: Cross multiply
    1,188,552.28x = 1,783,135.80 × 696,015.42
  4. Step 4: Simplify right side
    1,188,552.28x = 1,241,090,007,871.04
  5. Step 5: Solve for x
    x = 1,241,090,007,871.04/1,188,552.28
  6. Step 6: Final answer
    x = 1,044,203.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.