Home / 816,004.20-1,224,006.30-760,708.20

Finding the Fourth Proportional to 816,004.20, 1,224,006.30 and 760,708.20

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Solution

The fourth proportional to 816,004.20, 1,224,006.30 and 760,708.20 is: 1,141,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,004.20 : 1,224,006.30 = 760,708.20 : x
  2. Step 2: Convert to fraction form
    816,004.20/1,224,006.30 = 760,708.20/x
  3. Step 3: Cross multiply
    816,004.20x = 1,224,006.30 × 760,708.20
  4. Step 4: Simplify right side
    816,004.20x = 931,111,629,261.66
  5. Step 5: Solve for x
    x = 931,111,629,261.66/816,004.20
  6. Step 6: Final answer
    x = 1,141,062.30

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Similar ratio
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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.