Home / 1,213,602.62-1,821,215.92-503,630.64

Finding the Fourth Proportional to 1,213,602.62, 1,821,215.92 and 503,630.64

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Solution

The fourth proportional to 1,213,602.62, 1,821,215.92 and 503,630.64 is: 755,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,602.62 : 1,821,215.92 = 503,630.64 : x
  2. Step 2: Convert to fraction form
    1,213,602.62/1,821,215.92 = 503,630.64/x
  3. Step 3: Cross multiply
    1,213,602.62x = 1,821,215.92 × 503,630.64
  4. Step 4: Simplify right side
    1,213,602.62x = 917,220,139,367.79
  5. Step 5: Solve for x
    x = 917,220,139,367.79/1,213,602.62
  6. Step 6: Final answer
    x = 755,782.93

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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.