Home / 1,337,761.40-2,006,642.10-806,919.80

Finding the Fourth Proportional to 1,337,761.40, 2,006,642.10 and 806,919.80

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Solution

The fourth proportional to 1,337,761.40, 2,006,642.10 and 806,919.80 is: 1,210,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,761.40 : 2,006,642.10 = 806,919.80 : x
  2. Step 2: Convert to fraction form
    1,337,761.40/2,006,642.10 = 806,919.80/x
  3. Step 3: Cross multiply
    1,337,761.40x = 2,006,642.10 × 806,919.80
  4. Step 4: Simplify right side
    1,337,761.40x = 1,619,199,242,003.58
  5. Step 5: Solve for x
    x = 1,619,199,242,003.58/1,337,761.40
  6. Step 6: Final answer
    x = 1,210,379.70

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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.