Home / 854,741.76-1,276,536.32-727,020.80

Finding the Fourth Proportional to 854,741.76, 1,276,536.32 and 727,020.80

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Solution

The fourth proportional to 854,741.76, 1,276,536.32 and 727,020.80 is: 1,085,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,741.76 : 1,276,536.32 = 727,020.80 : x
  2. Step 2: Convert to fraction form
    854,741.76/1,276,536.32 = 727,020.80/x
  3. Step 3: Cross multiply
    854,741.76x = 1,276,536.32 × 727,020.80
  4. Step 4: Simplify right side
    854,741.76x = 928,068,456,595.46
  5. Step 5: Solve for x
    x = 928,068,456,595.46/854,741.76
  6. Step 6: Final answer
    x = 1,085,788.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.