Home / 1,855,375.86-2,776,862.61-1,056,442.98

Finding the Fourth Proportional to 1,855,375.86, 2,776,862.61 and 1,056,442.98

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Solution

The fourth proportional to 1,855,375.86, 2,776,862.61 and 1,056,442.98 is: 1,581,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,375.86 : 2,776,862.61 = 1,056,442.98 : x
  2. Step 2: Convert to fraction form
    1,855,375.86/2,776,862.61 = 1,056,442.98/x
  3. Step 3: Cross multiply
    1,855,375.86x = 2,776,862.61 × 1,056,442.98
  4. Step 4: Simplify right side
    1,855,375.86x = 2,933,597,010,758.98
  5. Step 5: Solve for x
    x = 2,933,597,010,758.98/1,855,375.86
  6. Step 6: Final answer
    x = 1,581,133.54

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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.