Home / 1,752,649.96-2,628,871.26-490,449.64

Finding the Fourth Proportional to 1,752,649.96, 2,628,871.26 and 490,449.64

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Solution

The fourth proportional to 1,752,649.96, 2,628,871.26 and 490,449.64 is: 735,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,649.96 : 2,628,871.26 = 490,449.64 : x
  2. Step 2: Convert to fraction form
    1,752,649.96/2,628,871.26 = 490,449.64/x
  3. Step 3: Cross multiply
    1,752,649.96x = 2,628,871.26 × 490,449.64
  4. Step 4: Simplify right side
    1,752,649.96x = 1,289,328,963,073.35
  5. Step 5: Solve for x
    x = 1,289,328,963,073.35/1,752,649.96
  6. Step 6: Final answer
    x = 735,645.45

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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.