Home / 1,110,523.43-1,532,557.80-681,237.20

Finding the Fourth Proportional to 1,110,523.43, 1,532,557.80 and 681,237.20

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Solution

The fourth proportional to 1,110,523.43, 1,532,557.80 and 681,237.20 is: 940,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,523.43 : 1,532,557.80 = 681,237.20 : x
  2. Step 2: Convert to fraction form
    1,110,523.43/1,532,557.80 = 681,237.20/x
  3. Step 3: Cross multiply
    1,110,523.43x = 1,532,557.80 × 681,237.20
  4. Step 4: Simplify right side
    1,110,523.43x = 1,044,035,388,341.55
  5. Step 5: Solve for x
    x = 1,044,035,388,341.55/1,110,523.43
  6. Step 6: Final answer
    x = 940,129.09

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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.