Home / 965,901.70-1,449,046.95-809,215.30

Finding the Fourth Proportional to 965,901.70, 1,449,046.95 and 809,215.30

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Solution

The fourth proportional to 965,901.70, 1,449,046.95 and 809,215.30 is: 1,213,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,901.70 : 1,449,046.95 = 809,215.30 : x
  2. Step 2: Convert to fraction form
    965,901.70/1,449,046.95 = 809,215.30/x
  3. Step 3: Cross multiply
    965,901.70x = 1,449,046.95 × 809,215.30
  4. Step 4: Simplify right side
    965,901.70x = 1,172,590,962,358.34
  5. Step 5: Solve for x
    x = 1,172,590,962,358.34/965,901.70
  6. Step 6: Final answer
    x = 1,213,985.81

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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.