Home / 1,042,022.80-1,563,034.20-790,080.40

Finding the Fourth Proportional to 1,042,022.80, 1,563,034.20 and 790,080.40

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Solution

The fourth proportional to 1,042,022.80, 1,563,034.20 and 790,080.40 is: 1,185,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,022.80 : 1,563,034.20 = 790,080.40 : x
  2. Step 2: Convert to fraction form
    1,042,022.80/1,563,034.20 = 790,080.40/x
  3. Step 3: Cross multiply
    1,042,022.80x = 1,563,034.20 × 790,080.40
  4. Step 4: Simplify right side
    1,042,022.80x = 1,234,922,685,949.68
  5. Step 5: Solve for x
    x = 1,234,922,685,949.68/1,042,022.80
  6. Step 6: Final answer
    x = 1,185,120.60

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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.