Home / 1,027,116.95-1,541,212.68-420,355.67

Finding the Fourth Proportional to 1,027,116.95, 1,541,212.68 and 420,355.67

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Solution

The fourth proportional to 1,027,116.95, 1,541,212.68 and 420,355.67 is: 630,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,116.95 : 1,541,212.68 = 420,355.67 : x
  2. Step 2: Convert to fraction form
    1,027,116.95/1,541,212.68 = 420,355.67/x
  3. Step 3: Cross multiply
    1,027,116.95x = 1,541,212.68 × 420,355.67
  4. Step 4: Simplify right side
    1,027,116.95x = 647,857,481,007.83
  5. Step 5: Solve for x
    x = 647,857,481,007.83/1,027,116.95
  6. Step 6: Final answer
    x = 630,753.38

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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.