Home / 1,202,473.88-1,803,876.90-403,983.78

Finding the Fourth Proportional to 1,202,473.88, 1,803,876.90 and 403,983.78

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Solution

The fourth proportional to 1,202,473.88, 1,803,876.90 and 403,983.78 is: 606,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,473.88 : 1,803,876.90 = 403,983.78 : x
  2. Step 2: Convert to fraction form
    1,202,473.88/1,803,876.90 = 403,983.78/x
  3. Step 3: Cross multiply
    1,202,473.88x = 1,803,876.90 × 403,983.78
  4. Step 4: Simplify right side
    1,202,473.88x = 728,737,006,078.69
  5. Step 5: Solve for x
    x = 728,737,006,078.69/1,202,473.88
  6. Step 6: Final answer
    x = 606,031.46

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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.