Home / 1,426,211.40-2,139,317.10-1,108,950.60

Finding the Fourth Proportional to 1,426,211.40, 2,139,317.10 and 1,108,950.60

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Solution

The fourth proportional to 1,426,211.40, 2,139,317.10 and 1,108,950.60 is: 1,663,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,211.40 : 2,139,317.10 = 1,108,950.60 : x
  2. Step 2: Convert to fraction form
    1,426,211.40/2,139,317.10 = 1,108,950.60/x
  3. Step 3: Cross multiply
    1,426,211.40x = 2,139,317.10 × 1,108,950.60
  4. Step 4: Simplify right side
    1,426,211.40x = 2,372,396,981,635.26
  5. Step 5: Solve for x
    x = 2,372,396,981,635.26/1,426,211.40
  6. Step 6: Final answer
    x = 1,663,425.90

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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.