Home / 1,311,844.50-1,810,474.20-767,947.32

Finding the Fourth Proportional to 1,311,844.50, 1,810,474.20 and 767,947.32

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Solution

The fourth proportional to 1,311,844.50, 1,810,474.20 and 767,947.32 is: 1,059,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,844.50 : 1,810,474.20 = 767,947.32 : x
  2. Step 2: Convert to fraction form
    1,311,844.50/1,810,474.20 = 767,947.32/x
  3. Step 3: Cross multiply
    1,311,844.50x = 1,810,474.20 × 767,947.32
  4. Step 4: Simplify right side
    1,311,844.50x = 1,390,348,809,819.14
  5. Step 5: Solve for x
    x = 1,390,348,809,819.14/1,311,844.50
  6. Step 6: Final answer
    x = 1,059,842.69

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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.