Home / 1,424,466-1,965,757.86-812,617.76

Finding the Fourth Proportional to 1,424,466, 1,965,757.86 and 812,617.76

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Solution

The fourth proportional to 1,424,466, 1,965,757.86 and 812,617.76 is: 1,121,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,466 : 1,965,757.86 = 812,617.76 : x
  2. Step 2: Convert to fraction form
    1,424,466/1,965,757.86 = 812,617.76/x
  3. Step 3: Cross multiply
    1,424,466x = 1,965,757.86 × 812,617.76
  4. Step 4: Simplify right side
    1,424,466x = 1,597,409,748,895.59
  5. Step 5: Solve for x
    x = 1,597,409,748,895.59/1,424,466
  6. Step 6: Final answer
    x = 1,121,409.53

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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.