Home / 1,074,708.80-1,612,153.44-326,761.28

Finding the Fourth Proportional to 1,074,708.80, 1,612,153.44 and 326,761.28

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Solution

The fourth proportional to 1,074,708.80, 1,612,153.44 and 326,761.28 is: 490,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,708.80 : 1,612,153.44 = 326,761.28 : x
  2. Step 2: Convert to fraction form
    1,074,708.80/1,612,153.44 = 326,761.28/x
  3. Step 3: Cross multiply
    1,074,708.80x = 1,612,153.44 × 326,761.28
  4. Step 4: Simplify right side
    1,074,708.80x = 526,789,321,610.80
  5. Step 5: Solve for x
    x = 526,789,321,610.80/1,074,708.80
  6. Step 6: Final answer
    x = 490,169.36

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1.5x scale

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.