Home / 1,519,307.20-2,278,960.80-397,376.20

Finding the Fourth Proportional to 1,519,307.20, 2,278,960.80 and 397,376.20

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Solution

The fourth proportional to 1,519,307.20, 2,278,960.80 and 397,376.20 is: 596,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,307.20 : 2,278,960.80 = 397,376.20 : x
  2. Step 2: Convert to fraction form
    1,519,307.20/2,278,960.80 = 397,376.20/x
  3. Step 3: Cross multiply
    1,519,307.20x = 2,278,960.80 × 397,376.20
  4. Step 4: Simplify right side
    1,519,307.20x = 905,604,782,652.96
  5. Step 5: Solve for x
    x = 905,604,782,652.96/1,519,307.20
  6. Step 6: Final answer
    x = 596,064.30

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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.