Home / 1,625,749.65-2,440,137.57-827,628.69

Finding the Fourth Proportional to 1,625,749.65, 2,440,137.57 and 827,628.69

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Solution

The fourth proportional to 1,625,749.65, 2,440,137.57 and 827,628.69 is: 1,242,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,749.65 : 2,440,137.57 = 827,628.69 : x
  2. Step 2: Convert to fraction form
    1,625,749.65/2,440,137.57 = 827,628.69/x
  3. Step 3: Cross multiply
    1,625,749.65x = 2,440,137.57 × 827,628.69
  4. Step 4: Simplify right side
    1,625,749.65x = 2,019,527,860,478.88
  5. Step 5: Solve for x
    x = 2,019,527,860,478.88/1,625,749.65
  6. Step 6: Final answer
    x = 1,242,213.31

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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.