Home / 1,219,420.80-1,829,131.20-332,956.80

Finding the Fourth Proportional to 1,219,420.80, 1,829,131.20 and 332,956.80

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Solution

The fourth proportional to 1,219,420.80, 1,829,131.20 and 332,956.80 is: 499,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,420.80 : 1,829,131.20 = 332,956.80 : x
  2. Step 2: Convert to fraction form
    1,219,420.80/1,829,131.20 = 332,956.80/x
  3. Step 3: Cross multiply
    1,219,420.80x = 1,829,131.20 × 332,956.80
  4. Step 4: Simplify right side
    1,219,420.80x = 609,021,671,132.16
  5. Step 5: Solve for x
    x = 609,021,671,132.16/1,219,420.80
  6. Step 6: Final answer
    x = 499,435.20

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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.