Home / 1,108,736.20-1,529,964.32-625,420.14

Finding the Fourth Proportional to 1,108,736.20, 1,529,964.32 and 625,420.14

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Solution

The fourth proportional to 1,108,736.20, 1,529,964.32 and 625,420.14 is: 863,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,736.20 : 1,529,964.32 = 625,420.14 : x
  2. Step 2: Convert to fraction form
    1,108,736.20/1,529,964.32 = 625,420.14/x
  3. Step 3: Cross multiply
    1,108,736.20x = 1,529,964.32 × 625,420.14
  4. Step 4: Simplify right side
    1,108,736.20x = 956,870,488,432.48
  5. Step 5: Solve for x
    x = 956,870,488,432.48/1,108,736.20
  6. Step 6: Final answer
    x = 863,028.09

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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.