Home / 1,486,204.80-2,228,869.80-421,339.92

Finding the Fourth Proportional to 1,486,204.80, 2,228,869.80 and 421,339.92

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Solution

The fourth proportional to 1,486,204.80, 2,228,869.80 and 421,339.92 is: 631,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,204.80 : 2,228,869.80 = 421,339.92 : x
  2. Step 2: Convert to fraction form
    1,486,204.80/2,228,869.80 = 421,339.92/x
  3. Step 3: Cross multiply
    1,486,204.80x = 2,228,869.80 × 421,339.92
  4. Step 4: Simplify right side
    1,486,204.80x = 939,111,823,222.42
  5. Step 5: Solve for x
    x = 939,111,823,222.42/1,486,204.80
  6. Step 6: Final answer
    x = 631,885.88

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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.