Home / 1,236,713.37-1,707,498.96-772,276.80

Finding the Fourth Proportional to 1,236,713.37, 1,707,498.96 and 772,276.80

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Solution

The fourth proportional to 1,236,713.37, 1,707,498.96 and 772,276.80 is: 1,066,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,713.37 : 1,707,498.96 = 772,276.80 : x
  2. Step 2: Convert to fraction form
    1,236,713.37/1,707,498.96 = 772,276.80/x
  3. Step 3: Cross multiply
    1,236,713.37x = 1,707,498.96 × 772,276.80
  4. Step 4: Simplify right side
    1,236,713.37x = 1,318,661,832,832.13
  5. Step 5: Solve for x
    x = 1,318,661,832,832.13/1,236,713.37
  6. Step 6: Final answer
    x = 1,066,263.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.