Home / 1,055,049.82-1,455,882.58-619,421.28

Finding the Fourth Proportional to 1,055,049.82, 1,455,882.58 and 619,421.28

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Solution

The fourth proportional to 1,055,049.82, 1,455,882.58 and 619,421.28 is: 854,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,049.82 : 1,455,882.58 = 619,421.28 : x
  2. Step 2: Convert to fraction form
    1,055,049.82/1,455,882.58 = 619,421.28/x
  3. Step 3: Cross multiply
    1,055,049.82x = 1,455,882.58 × 619,421.28
  4. Step 4: Simplify right side
    1,055,049.82x = 901,804,651,233.30
  5. Step 5: Solve for x
    x = 901,804,651,233.30/1,055,049.82
  6. Step 6: Final answer
    x = 854,750.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.