Home / 1,753,429.20-2,630,143.80-808,645.20

Finding the Fourth Proportional to 1,753,429.20, 2,630,143.80 and 808,645.20

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Solution

The fourth proportional to 1,753,429.20, 2,630,143.80 and 808,645.20 is: 1,212,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,429.20 : 2,630,143.80 = 808,645.20 : x
  2. Step 2: Convert to fraction form
    1,753,429.20/2,630,143.80 = 808,645.20/x
  3. Step 3: Cross multiply
    1,753,429.20x = 2,630,143.80 × 808,645.20
  4. Step 4: Simplify right side
    1,753,429.20x = 2,126,853,159,179.76
  5. Step 5: Solve for x
    x = 2,126,853,159,179.76/1,753,429.20
  6. Step 6: Final answer
    x = 1,212,967.80

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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.