Home / 1,693,427.55-2,336,047.28-1,040,200.80

Finding the Fourth Proportional to 1,693,427.55, 2,336,047.28 and 1,040,200.80

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Solution

The fourth proportional to 1,693,427.55, 2,336,047.28 and 1,040,200.80 is: 1,434,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,427.55 : 2,336,047.28 = 1,040,200.80 : x
  2. Step 2: Convert to fraction form
    1,693,427.55/2,336,047.28 = 1,040,200.80/x
  3. Step 3: Cross multiply
    1,693,427.55x = 2,336,047.28 × 1,040,200.80
  4. Step 4: Simplify right side
    1,693,427.55x = 2,429,958,241,255.85
  5. Step 5: Solve for x
    x = 2,429,958,241,255.85/1,693,427.55
  6. Step 6: Final answer
    x = 1,434,934.87

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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.