Home / 1,185,720.28-1,777,005.80-680,523.28

Finding the Fourth Proportional to 1,185,720.28, 1,777,005.80 and 680,523.28

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Solution

The fourth proportional to 1,185,720.28, 1,777,005.80 and 680,523.28 is: 1,019,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,720.28 : 1,777,005.80 = 680,523.28 : x
  2. Step 2: Convert to fraction form
    1,185,720.28/1,777,005.80 = 680,523.28/x
  3. Step 3: Cross multiply
    1,185,720.28x = 1,777,005.80 × 680,523.28
  4. Step 4: Simplify right side
    1,185,720.28x = 1,209,293,815,595.02
  5. Step 5: Solve for x
    x = 1,209,293,815,595.02/1,185,720.28
  6. Step 6: Final answer
    x = 1,019,881.19

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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.