Home / 1,172,235.40-1,758,180.30-330,872.20

Finding the Fourth Proportional to 1,172,235.40, 1,758,180.30 and 330,872.20

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Solution

The fourth proportional to 1,172,235.40, 1,758,180.30 and 330,872.20 is: 496,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,235.40 : 1,758,180.30 = 330,872.20 : x
  2. Step 2: Convert to fraction form
    1,172,235.40/1,758,180.30 = 330,872.20/x
  3. Step 3: Cross multiply
    1,172,235.40x = 1,758,180.30 × 330,872.20
  4. Step 4: Simplify right side
    1,172,235.40x = 581,732,983,857.66
  5. Step 5: Solve for x
    x = 581,732,983,857.66/1,172,235.40
  6. Step 6: Final answer
    x = 496,259.53

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1.5x scale

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.