Home / 1,377,214.80-2,065,941.20-379,942.80

Finding the Fourth Proportional to 1,377,214.80, 2,065,941.20 and 379,942.80

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Solution

The fourth proportional to 1,377,214.80, 2,065,941.20 and 379,942.80 is: 569,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,214.80 : 2,065,941.20 = 379,942.80 : x
  2. Step 2: Convert to fraction form
    1,377,214.80/2,065,941.20 = 379,942.80/x
  3. Step 3: Cross multiply
    1,377,214.80x = 2,065,941.20 × 379,942.80
  4. Step 4: Simplify right side
    1,377,214.80x = 784,939,484,163.36
  5. Step 5: Solve for x
    x = 784,939,484,163.36/1,377,214.80
  6. Step 6: Final answer
    x = 569,947.03

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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.