Home / 1,653,191.86-2,476,012.33-789,234.51

Finding the Fourth Proportional to 1,653,191.86, 2,476,012.33 and 789,234.51

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Solution

The fourth proportional to 1,653,191.86, 2,476,012.33 and 789,234.51 is: 1,182,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,191.86 : 2,476,012.33 = 789,234.51 : x
  2. Step 2: Convert to fraction form
    1,653,191.86/2,476,012.33 = 789,234.51/x
  3. Step 3: Cross multiply
    1,653,191.86x = 2,476,012.33 × 789,234.51
  4. Step 4: Simplify right side
    1,653,191.86x = 1,954,154,378,021.51
  5. Step 5: Solve for x
    x = 1,954,154,378,021.51/1,653,191.86
  6. Step 6: Final answer
    x = 1,182,049.36

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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.