Home / 1,255,472.20-1,883,208.30-308,830.60

Finding the Fourth Proportional to 1,255,472.20, 1,883,208.30 and 308,830.60

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Solution

The fourth proportional to 1,255,472.20, 1,883,208.30 and 308,830.60 is: 463,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,472.20 : 1,883,208.30 = 308,830.60 : x
  2. Step 2: Convert to fraction form
    1,255,472.20/1,883,208.30 = 308,830.60/x
  3. Step 3: Cross multiply
    1,255,472.20x = 1,883,208.30 × 308,830.60
  4. Step 4: Simplify right side
    1,255,472.20x = 581,592,349,213.98
  5. Step 5: Solve for x
    x = 581,592,349,213.98/1,255,472.20
  6. Step 6: Final answer
    x = 463,245.90

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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.