Home / 1,503,563.80-2,074,789.75-850,157.80

Finding the Fourth Proportional to 1,503,563.80, 2,074,789.75 and 850,157.80

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Solution

The fourth proportional to 1,503,563.80, 2,074,789.75 and 850,157.80 is: 1,173,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,563.80 : 2,074,789.75 = 850,157.80 : x
  2. Step 2: Convert to fraction form
    1,503,563.80/2,074,789.75 = 850,157.80/x
  3. Step 3: Cross multiply
    1,503,563.80x = 2,074,789.75 × 850,157.80
  4. Step 4: Simplify right side
    1,503,563.80x = 1,763,898,689,322.55
  5. Step 5: Solve for x
    x = 1,763,898,689,322.55/1,503,563.80
  6. Step 6: Final answer
    x = 1,173,145.22

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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.