Home / 1,416,313.46-1,954,512.78-771,733.82

Finding the Fourth Proportional to 1,416,313.46, 1,954,512.78 and 771,733.82

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Solution

The fourth proportional to 1,416,313.46, 1,954,512.78 and 771,733.82 is: 1,064,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,313.46 : 1,954,512.78 = 771,733.82 : x
  2. Step 2: Convert to fraction form
    1,416,313.46/1,954,512.78 = 771,733.82/x
  3. Step 3: Cross multiply
    1,416,313.46x = 1,954,512.78 × 771,733.82
  4. Step 4: Simplify right side
    1,416,313.46x = 1,508,363,613,948.22
  5. Step 5: Solve for x
    x = 1,508,363,613,948.22/1,416,313.46
  6. Step 6: Final answer
    x = 1,064,992.78

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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.