Home / 1,347,138.30-2,021,029.18-448,587.82

Finding the Fourth Proportional to 1,347,138.30, 2,021,029.18 and 448,587.82

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Solution

The fourth proportional to 1,347,138.30, 2,021,029.18 and 448,587.82 is: 672,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,138.30 : 2,021,029.18 = 448,587.82 : x
  2. Step 2: Convert to fraction form
    1,347,138.30/2,021,029.18 = 448,587.82/x
  3. Step 3: Cross multiply
    1,347,138.30x = 2,021,029.18 × 448,587.82
  4. Step 4: Simplify right side
    1,347,138.30x = 906,609,067,838.55
  5. Step 5: Solve for x
    x = 906,609,067,838.55/1,347,138.30
  6. Step 6: Final answer
    x = 672,988.86

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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.