Home / 1,179,073.50-1,768,984.08-420,898.71

Finding the Fourth Proportional to 1,179,073.50, 1,768,984.08 and 420,898.71

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Solution

The fourth proportional to 1,179,073.50, 1,768,984.08 and 420,898.71 is: 631,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,073.50 : 1,768,984.08 = 420,898.71 : x
  2. Step 2: Convert to fraction form
    1,179,073.50/1,768,984.08 = 420,898.71/x
  3. Step 3: Cross multiply
    1,179,073.50x = 1,768,984.08 × 420,898.71
  4. Step 4: Simplify right side
    1,179,073.50x = 744,563,117,282.54
  5. Step 5: Solve for x
    x = 744,563,117,282.54/1,179,073.50
  6. Step 6: Final answer
    x = 631,481.51

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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.