Home / 1,376,872.35-2,065,399.65-365,980.20

Finding the Fourth Proportional to 1,376,872.35, 2,065,399.65 and 365,980.20

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Solution

The fourth proportional to 1,376,872.35, 2,065,399.65 and 365,980.20 is: 548,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,872.35 : 2,065,399.65 = 365,980.20 : x
  2. Step 2: Convert to fraction form
    1,376,872.35/2,065,399.65 = 365,980.20/x
  3. Step 3: Cross multiply
    1,376,872.35x = 2,065,399.65 × 365,980.20
  4. Step 4: Simplify right side
    1,376,872.35x = 755,895,376,986.93
  5. Step 5: Solve for x
    x = 755,895,376,986.93/1,376,872.35
  6. Step 6: Final answer
    x = 548,994.52

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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.