Home / 1,028,178.98-1,542,793.60-686,855.76

Finding the Fourth Proportional to 1,028,178.98, 1,542,793.60 and 686,855.76

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Solution

The fourth proportional to 1,028,178.98, 1,542,793.60 and 686,855.76 is: 1,030,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,178.98 : 1,542,793.60 = 686,855.76 : x
  2. Step 2: Convert to fraction form
    1,028,178.98/1,542,793.60 = 686,855.76/x
  3. Step 3: Cross multiply
    1,028,178.98x = 1,542,793.60 × 686,855.76
  4. Step 4: Simplify right side
    1,028,178.98x = 1,059,676,680,673.33
  5. Step 5: Solve for x
    x = 1,059,676,680,673.33/1,028,178.98
  6. Step 6: Final answer
    x = 1,030,634.46

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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.