Home / 1,050,334.40-1,576,279.20-419,700.80

Finding the Fourth Proportional to 1,050,334.40, 1,576,279.20 and 419,700.80

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Solution

The fourth proportional to 1,050,334.40, 1,576,279.20 and 419,700.80 is: 629,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,334.40 : 1,576,279.20 = 419,700.80 : x
  2. Step 2: Convert to fraction form
    1,050,334.40/1,576,279.20 = 419,700.80/x
  3. Step 3: Cross multiply
    1,050,334.40x = 1,576,279.20 × 419,700.80
  4. Step 4: Simplify right side
    1,050,334.40x = 661,565,641,263.36
  5. Step 5: Solve for x
    x = 661,565,641,263.36/1,050,334.40
  6. Step 6: Final answer
    x = 629,861.92

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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.