Home / 1,753,873.20-2,630,809.80-809,089.20

Finding the Fourth Proportional to 1,753,873.20, 2,630,809.80 and 809,089.20

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Solution

The fourth proportional to 1,753,873.20, 2,630,809.80 and 809,089.20 is: 1,213,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,873.20 : 2,630,809.80 = 809,089.20 : x
  2. Step 2: Convert to fraction form
    1,753,873.20/2,630,809.80 = 809,089.20/x
  3. Step 3: Cross multiply
    1,753,873.20x = 2,630,809.80 × 809,089.20
  4. Step 4: Simplify right side
    1,753,873.20x = 2,128,559,796,434.16
  5. Step 5: Solve for x
    x = 2,128,559,796,434.16/1,753,873.20
  6. Step 6: Final answer
    x = 1,213,633.80

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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.