Home / 1,091,819.80-1,637,729.70-993,842.20

Finding the Fourth Proportional to 1,091,819.80, 1,637,729.70 and 993,842.20

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Solution

The fourth proportional to 1,091,819.80, 1,637,729.70 and 993,842.20 is: 1,490,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,819.80 : 1,637,729.70 = 993,842.20 : x
  2. Step 2: Convert to fraction form
    1,091,819.80/1,637,729.70 = 993,842.20/x
  3. Step 3: Cross multiply
    1,091,819.80x = 1,637,729.70 × 993,842.20
  4. Step 4: Simplify right side
    1,091,819.80x = 1,627,644,888,053.34
  5. Step 5: Solve for x
    x = 1,627,644,888,053.34/1,091,819.80
  6. Step 6: Final answer
    x = 1,490,763.30

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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.