Home / 1,416,424.32-1,954,654.74-771,842.52

Finding the Fourth Proportional to 1,416,424.32, 1,954,654.74 and 771,842.52

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Solution

The fourth proportional to 1,416,424.32, 1,954,654.74 and 771,842.52 is: 1,065,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,424.32 : 1,954,654.74 = 771,842.52 : x
  2. Step 2: Convert to fraction form
    1,416,424.32/1,954,654.74 = 771,842.52/x
  3. Step 3: Cross multiply
    1,416,424.32x = 1,954,654.74 × 771,842.52
  4. Step 4: Simplify right side
    1,416,424.32x = 1,508,685,640,251.55
  5. Step 5: Solve for x
    x = 1,508,685,640,251.55/1,416,424.32
  6. Step 6: Final answer
    x = 1,065,136.78

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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.