Home / 1,120,404.12-1,679,694.46-351,506.56

Finding the Fourth Proportional to 1,120,404.12, 1,679,694.46 and 351,506.56

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Solution

The fourth proportional to 1,120,404.12, 1,679,694.46 and 351,506.56 is: 526,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,404.12 : 1,679,694.46 = 351,506.56 : x
  2. Step 2: Convert to fraction form
    1,120,404.12/1,679,694.46 = 351,506.56/x
  3. Step 3: Cross multiply
    1,120,404.12x = 1,679,694.46 × 351,506.56
  4. Step 4: Simplify right side
    1,120,404.12x = 590,423,621,485.66
  5. Step 5: Solve for x
    x = 590,423,621,485.66/1,120,404.12
  6. Step 6: Final answer
    x = 526,973.80

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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.