Home / 1,110,165.78-1,532,056.77-680,682.72

Finding the Fourth Proportional to 1,110,165.78, 1,532,056.77 and 680,682.72

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Solution

The fourth proportional to 1,110,165.78, 1,532,056.77 and 680,682.72 is: 939,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,165.78 : 1,532,056.77 = 680,682.72 : x
  2. Step 2: Convert to fraction form
    1,110,165.78/1,532,056.77 = 680,682.72/x
  3. Step 3: Cross multiply
    1,110,165.78x = 1,532,056.77 × 680,682.72
  4. Step 4: Simplify right side
    1,110,165.78x = 1,042,844,569,398.01
  5. Step 5: Solve for x
    x = 1,042,844,569,398.01/1,110,165.78
  6. Step 6: Final answer
    x = 939,359.32

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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.