Home / 1,399,571.20-2,099,875.20-452,972.80

Finding the Fourth Proportional to 1,399,571.20, 2,099,875.20 and 452,972.80

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Solution

The fourth proportional to 1,399,571.20, 2,099,875.20 and 452,972.80 is: 679,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,571.20 : 2,099,875.20 = 452,972.80 : x
  2. Step 2: Convert to fraction form
    1,399,571.20/2,099,875.20 = 452,972.80/x
  3. Step 3: Cross multiply
    1,399,571.20x = 2,099,875.20 × 452,972.80
  4. Step 4: Simplify right side
    1,399,571.20x = 951,186,348,994.56
  5. Step 5: Solve for x
    x = 951,186,348,994.56/1,399,571.20
  6. Step 6: Final answer
    x = 679,626.98

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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.