Home / 1,141,621.81-1,575,418.20-625,385.95

Finding the Fourth Proportional to 1,141,621.81, 1,575,418.20 and 625,385.95

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Solution

The fourth proportional to 1,141,621.81, 1,575,418.20 and 625,385.95 is: 863,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,621.81 : 1,575,418.20 = 625,385.95 : x
  2. Step 2: Convert to fraction form
    1,141,621.81/1,575,418.20 = 625,385.95/x
  3. Step 3: Cross multiply
    1,141,621.81x = 1,575,418.20 × 625,385.95
  4. Step 4: Simplify right side
    1,141,621.81x = 985,244,401,370.55
  5. Step 5: Solve for x
    x = 985,244,401,370.55/1,141,621.81
  6. Step 6: Final answer
    x = 863,021.71

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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.