Home / 1,140,566.82-1,573,976.25-631,251.78

Finding the Fourth Proportional to 1,140,566.82, 1,573,976.25 and 631,251.78

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Solution

The fourth proportional to 1,140,566.82, 1,573,976.25 and 631,251.78 is: 871,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,566.82 : 1,573,976.25 = 631,251.78 : x
  2. Step 2: Convert to fraction form
    1,140,566.82/1,573,976.25 = 631,251.78/x
  3. Step 3: Cross multiply
    1,140,566.82x = 1,573,976.25 × 631,251.78
  4. Step 4: Simplify right side
    1,140,566.82x = 993,575,309,490.23
  5. Step 5: Solve for x
    x = 993,575,309,490.23/1,140,566.82
  6. Step 6: Final answer
    x = 871,124.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.