Home / 1,777,742.08-2,666,945.20-712,867.48

Finding the Fourth Proportional to 1,777,742.08, 2,666,945.20 and 712,867.48

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Solution

The fourth proportional to 1,777,742.08, 2,666,945.20 and 712,867.48 is: 1,069,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,742.08 : 2,666,945.20 = 712,867.48 : x
  2. Step 2: Convert to fraction form
    1,777,742.08/2,666,945.20 = 712,867.48/x
  3. Step 3: Cross multiply
    1,777,742.08x = 2,666,945.20 × 712,867.48
  4. Step 4: Simplify right side
    1,777,742.08x = 1,901,178,504,022.10
  5. Step 5: Solve for x
    x = 1,901,178,504,022.10/1,777,742.08
  6. Step 6: Final answer
    x = 1,069,434.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.