Home / 1,482,043.20-2,045,221.56-802,979.16

Finding the Fourth Proportional to 1,482,043.20, 2,045,221.56 and 802,979.16

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Solution

The fourth proportional to 1,482,043.20, 2,045,221.56 and 802,979.16 is: 1,108,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,043.20 : 2,045,221.56 = 802,979.16 : x
  2. Step 2: Convert to fraction form
    1,482,043.20/2,045,221.56 = 802,979.16/x
  3. Step 3: Cross multiply
    1,482,043.20x = 2,045,221.56 × 802,979.16
  4. Step 4: Simplify right side
    1,482,043.20x = 1,642,270,290,262.69
  5. Step 5: Solve for x
    x = 1,642,270,290,262.69/1,482,043.20
  6. Step 6: Final answer
    x = 1,108,112.29

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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.