Home / 1,196,750.28-1,651,507.55-680,504.21

Finding the Fourth Proportional to 1,196,750.28, 1,651,507.55 and 680,504.21

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Solution

The fourth proportional to 1,196,750.28, 1,651,507.55 and 680,504.21 is: 939,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,750.28 : 1,651,507.55 = 680,504.21 : x
  2. Step 2: Convert to fraction form
    1,196,750.28/1,651,507.55 = 680,504.21/x
  3. Step 3: Cross multiply
    1,196,750.28x = 1,651,507.55 × 680,504.21
  4. Step 4: Simplify right side
    1,196,750.28x = 1,123,857,840,803.35
  5. Step 5: Solve for x
    x = 1,123,857,840,803.35/1,196,750.28
  6. Step 6: Final answer
    x = 939,091.35

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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.