Home / 1,118,912.43-1,678,380.34-895,691.82

Finding the Fourth Proportional to 1,118,912.43, 1,678,380.34 and 895,691.82

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Solution

The fourth proportional to 1,118,912.43, 1,678,380.34 and 895,691.82 is: 1,343,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,912.43 : 1,678,380.34 = 895,691.82 : x
  2. Step 2: Convert to fraction form
    1,118,912.43/1,678,380.34 = 895,691.82/x
  3. Step 3: Cross multiply
    1,118,912.43x = 1,678,380.34 × 895,691.82
  4. Step 4: Simplify right side
    1,118,912.43x = 1,503,311,539,147.59
  5. Step 5: Solve for x
    x = 1,503,311,539,147.59/1,118,912.43
  6. Step 6: Final answer
    x = 1,343,547.09

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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.