Home / 1,395,519.30-2,091,950.15-448,225.79

Finding the Fourth Proportional to 1,395,519.30, 2,091,950.15 and 448,225.79

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Solution

The fourth proportional to 1,395,519.30, 2,091,950.15 and 448,225.79 is: 671,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,519.30 : 2,091,950.15 = 448,225.79 : x
  2. Step 2: Convert to fraction form
    1,395,519.30/2,091,950.15 = 448,225.79/x
  3. Step 3: Cross multiply
    1,395,519.30x = 2,091,950.15 × 448,225.79
  4. Step 4: Simplify right side
    1,395,519.30x = 937,665,995,923.49
  5. Step 5: Solve for x
    x = 937,665,995,923.49/1,395,519.30
  6. Step 6: Final answer
    x = 671,911.88

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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.