Home / 1,395,438.85-2,091,829.66-448,145.27

Finding the Fourth Proportional to 1,395,438.85, 2,091,829.66 and 448,145.27

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Solution

The fourth proportional to 1,395,438.85, 2,091,829.66 and 448,145.27 is: 671,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,438.85 : 2,091,829.66 = 448,145.27 : x
  2. Step 2: Convert to fraction form
    1,395,438.85/2,091,829.66 = 448,145.27/x
  3. Step 3: Cross multiply
    1,395,438.85x = 2,091,829.66 × 448,145.27
  4. Step 4: Simplify right side
    1,395,438.85x = 937,443,557,875.74
  5. Step 5: Solve for x
    x = 937,443,557,875.74/1,395,438.85
  6. Step 6: Final answer
    x = 671,791.21

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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.