Home / 1,080,022.80-1,620,034.20-782,590.80

Finding the Fourth Proportional to 1,080,022.80, 1,620,034.20 and 782,590.80

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Solution

The fourth proportional to 1,080,022.80, 1,620,034.20 and 782,590.80 is: 1,173,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,022.80 : 1,620,034.20 = 782,590.80 : x
  2. Step 2: Convert to fraction form
    1,080,022.80/1,620,034.20 = 782,590.80/x
  3. Step 3: Cross multiply
    1,080,022.80x = 1,620,034.20 × 782,590.80
  4. Step 4: Simplify right side
    1,080,022.80x = 1,267,823,860,605.36
  5. Step 5: Solve for x
    x = 1,267,823,860,605.36/1,080,022.80
  6. Step 6: Final answer
    x = 1,173,886.20

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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.