Home / 1,222,964.92-1,834,772.68-424,245.20

Finding the Fourth Proportional to 1,222,964.92, 1,834,772.68 and 424,245.20

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Solution

The fourth proportional to 1,222,964.92, 1,834,772.68 and 424,245.20 is: 636,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,964.92 : 1,834,772.68 = 424,245.20 : x
  2. Step 2: Convert to fraction form
    1,222,964.92/1,834,772.68 = 424,245.20/x
  3. Step 3: Cross multiply
    1,222,964.92x = 1,834,772.68 × 424,245.20
  4. Step 4: Simplify right side
    1,222,964.92x = 778,393,502,581.14
  5. Step 5: Solve for x
    x = 778,393,502,581.14/1,222,964.92
  6. Step 6: Final answer
    x = 636,480.65

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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.