Home / 1,333,947.06-1,999,799.28-1,080,599.31

Finding the Fourth Proportional to 1,333,947.06, 1,999,799.28 and 1,080,599.31

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Solution

The fourth proportional to 1,333,947.06, 1,999,799.28 and 1,080,599.31 is: 1,619,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,947.06 : 1,999,799.28 = 1,080,599.31 : x
  2. Step 2: Convert to fraction form
    1,333,947.06/1,999,799.28 = 1,080,599.31/x
  3. Step 3: Cross multiply
    1,333,947.06x = 1,999,799.28 × 1,080,599.31
  4. Step 4: Simplify right side
    1,333,947.06x = 2,160,981,722,106.50
  5. Step 5: Solve for x
    x = 2,160,981,722,106.50/1,333,947.06
  6. Step 6: Final answer
    x = 1,619,990.62

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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.