Home / 1,060,926.80-1,591,390.20-429,861.20

Finding the Fourth Proportional to 1,060,926.80, 1,591,390.20 and 429,861.20

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Solution

The fourth proportional to 1,060,926.80, 1,591,390.20 and 429,861.20 is: 644,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,926.80 : 1,591,390.20 = 429,861.20 : x
  2. Step 2: Convert to fraction form
    1,060,926.80/1,591,390.20 = 429,861.20/x
  3. Step 3: Cross multiply
    1,060,926.80x = 1,591,390.20 × 429,861.20
  4. Step 4: Simplify right side
    1,060,926.80x = 684,076,901,040.24
  5. Step 5: Solve for x
    x = 684,076,901,040.24/1,060,926.80
  6. Step 6: Final answer
    x = 644,791.80

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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.