Home / 1,076,995.28-1,615,317.24-760,494.80

Finding the Fourth Proportional to 1,076,995.28, 1,615,317.24 and 760,494.80

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Solution

The fourth proportional to 1,076,995.28, 1,615,317.24 and 760,494.80 is: 1,140,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,995.28 : 1,615,317.24 = 760,494.80 : x
  2. Step 2: Convert to fraction form
    1,076,995.28/1,615,317.24 = 760,494.80/x
  3. Step 3: Cross multiply
    1,076,995.28x = 1,615,317.24 × 760,494.80
  4. Step 4: Simplify right side
    1,076,995.28x = 1,228,440,361,370.35
  5. Step 5: Solve for x
    x = 1,228,440,361,370.35/1,076,995.28
  6. Step 6: Final answer
    x = 1,140,618.15

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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.