Home / 1,176,911.55-1,765,199.64-378,089.73

Finding the Fourth Proportional to 1,176,911.55, 1,765,199.64 and 378,089.73

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Solution

The fourth proportional to 1,176,911.55, 1,765,199.64 and 378,089.73 is: 567,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,911.55 : 1,765,199.64 = 378,089.73 : x
  2. Step 2: Convert to fraction form
    1,176,911.55/1,765,199.64 = 378,089.73/x
  3. Step 3: Cross multiply
    1,176,911.55x = 1,765,199.64 × 378,089.73
  4. Step 4: Simplify right side
    1,176,911.55x = 667,403,855,283.70
  5. Step 5: Solve for x
    x = 667,403,855,283.70/1,176,911.55
  6. Step 6: Final answer
    x = 567,080.73

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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.