Home / 1,761,760.40-2,642,640.60-1,005,933.20

Finding the Fourth Proportional to 1,761,760.40, 2,642,640.60 and 1,005,933.20

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Solution

The fourth proportional to 1,761,760.40, 2,642,640.60 and 1,005,933.20 is: 1,508,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,760.40 : 2,642,640.60 = 1,005,933.20 : x
  2. Step 2: Convert to fraction form
    1,761,760.40/2,642,640.60 = 1,005,933.20/x
  3. Step 3: Cross multiply
    1,761,760.40x = 2,642,640.60 × 1,005,933.20
  4. Step 4: Simplify right side
    1,761,760.40x = 2,658,319,915,207.92
  5. Step 5: Solve for x
    x = 2,658,319,915,207.92/1,761,760.40
  6. Step 6: Final answer
    x = 1,508,899.80

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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.