Home / 1,432,289-1,976,608.50-787,757.96

Finding the Fourth Proportional to 1,432,289, 1,976,608.50 and 787,757.96

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Solution

The fourth proportional to 1,432,289, 1,976,608.50 and 787,757.96 is: 1,087,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,289 : 1,976,608.50 = 787,757.96 : x
  2. Step 2: Convert to fraction form
    1,432,289/1,976,608.50 = 787,757.96/x
  3. Step 3: Cross multiply
    1,432,289x = 1,976,608.50 × 787,757.96
  4. Step 4: Simplify right side
    1,432,289x = 1,557,089,079,678.66
  5. Step 5: Solve for x
    x = 1,557,089,079,678.66/1,432,289
  6. Step 6: Final answer
    x = 1,087,133.31

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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.