Home / 1,309,372.70-1,807,764.50-896,600.21

Finding the Fourth Proportional to 1,309,372.70, 1,807,764.50 and 896,600.21

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Solution

The fourth proportional to 1,309,372.70, 1,807,764.50 and 896,600.21 is: 1,237,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,372.70 : 1,807,764.50 = 896,600.21 : x
  2. Step 2: Convert to fraction form
    1,309,372.70/1,807,764.50 = 896,600.21/x
  3. Step 3: Cross multiply
    1,309,372.70x = 1,807,764.50 × 896,600.21
  4. Step 4: Simplify right side
    1,309,372.70x = 1,620,842,025,847.54
  5. Step 5: Solve for x
    x = 1,620,842,025,847.54/1,309,372.70
  6. Step 6: Final answer
    x = 1,237,876.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.