Home / 1,377,218.80-2,065,947.20-379,946.80

Finding the Fourth Proportional to 1,377,218.80, 2,065,947.20 and 379,946.80

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Solution

The fourth proportional to 1,377,218.80, 2,065,947.20 and 379,946.80 is: 569,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,218.80 : 2,065,947.20 = 379,946.80 : x
  2. Step 2: Convert to fraction form
    1,377,218.80/2,065,947.20 = 379,946.80/x
  3. Step 3: Cross multiply
    1,377,218.80x = 2,065,947.20 × 379,946.80
  4. Step 4: Simplify right side
    1,377,218.80x = 784,950,027,608.96
  5. Step 5: Solve for x
    x = 784,950,027,608.96/1,377,218.80
  6. Step 6: Final answer
    x = 569,953.03

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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.