Home / 1,752,260.40-2,628,196.20-490,215.60

Finding the Fourth Proportional to 1,752,260.40, 2,628,196.20 and 490,215.60

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Solution

The fourth proportional to 1,752,260.40, 2,628,196.20 and 490,215.60 is: 735,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,260.40 : 2,628,196.20 = 490,215.60 : x
  2. Step 2: Convert to fraction form
    1,752,260.40/2,628,196.20 = 490,215.60/x
  3. Step 3: Cross multiply
    1,752,260.40x = 2,628,196.20 × 490,215.60
  4. Step 4: Simplify right side
    1,752,260.40x = 1,288,382,777,100.72
  5. Step 5: Solve for x
    x = 1,288,382,777,100.72/1,752,260.40
  6. Step 6: Final answer
    x = 735,269.01

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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.