Home / 1,432,615.04-2,148,183.08-421,605.73

Finding the Fourth Proportional to 1,432,615.04, 2,148,183.08 and 421,605.73

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Solution

The fourth proportional to 1,432,615.04, 2,148,183.08 and 421,605.73 is: 632,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,615.04 : 2,148,183.08 = 421,605.73 : x
  2. Step 2: Convert to fraction form
    1,432,615.04/2,148,183.08 = 421,605.73/x
  3. Step 3: Cross multiply
    1,432,615.04x = 2,148,183.08 × 421,605.73
  4. Step 4: Simplify right side
    1,432,615.04x = 905,686,285,691.74
  5. Step 5: Solve for x
    x = 905,686,285,691.74/1,432,615.04
  6. Step 6: Final answer
    x = 632,190.97

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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.