Home / 1,432,170.72-2,148,256.08-681,942.24

Finding the Fourth Proportional to 1,432,170.72, 2,148,256.08 and 681,942.24

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Solution

The fourth proportional to 1,432,170.72, 2,148,256.08 and 681,942.24 is: 1,022,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,170.72 : 2,148,256.08 = 681,942.24 : x
  2. Step 2: Convert to fraction form
    1,432,170.72/2,148,256.08 = 681,942.24/x
  3. Step 3: Cross multiply
    1,432,170.72x = 2,148,256.08 × 681,942.24
  4. Step 4: Simplify right side
    1,432,170.72x = 1,464,986,563,288.82
  5. Step 5: Solve for x
    x = 1,464,986,563,288.82/1,432,170.72
  6. Step 6: Final answer
    x = 1,022,913.36

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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.