Home / 1,118,295-1,677,481.38-370,321.56

Finding the Fourth Proportional to 1,118,295, 1,677,481.38 and 370,321.56

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Solution

The fourth proportional to 1,118,295, 1,677,481.38 and 370,321.56 is: 555,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,295 : 1,677,481.38 = 370,321.56 : x
  2. Step 2: Convert to fraction form
    1,118,295/1,677,481.38 = 370,321.56/x
  3. Step 3: Cross multiply
    1,118,295x = 1,677,481.38 × 370,321.56
  4. Step 4: Simplify right side
    1,118,295x = 621,207,521,512.55
  5. Step 5: Solve for x
    x = 621,207,521,512.55/1,118,295
  6. Step 6: Final answer
    x = 555,495.22

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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.