Home / 1,324,756.56-1,987,948.92-525,898.32

Finding the Fourth Proportional to 1,324,756.56, 1,987,948.92 and 525,898.32

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Solution

The fourth proportional to 1,324,756.56, 1,987,948.92 and 525,898.32 is: 789,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,756.56 : 1,987,948.92 = 525,898.32 : x
  2. Step 2: Convert to fraction form
    1,324,756.56/1,987,948.92 = 525,898.32/x
  3. Step 3: Cross multiply
    1,324,756.56x = 1,987,948.92 × 525,898.32
  4. Step 4: Simplify right side
    1,324,756.56x = 1,045,458,997,273.81
  5. Step 5: Solve for x
    x = 1,045,458,997,273.81/1,324,756.56
  6. Step 6: Final answer
    x = 789,170.65

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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.