Home / 1,244,833.66-1,866,142.71-486,502.68

Finding the Fourth Proportional to 1,244,833.66, 1,866,142.71 and 486,502.68

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Solution

The fourth proportional to 1,244,833.66, 1,866,142.71 and 486,502.68 is: 729,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,833.66 : 1,866,142.71 = 486,502.68 : x
  2. Step 2: Convert to fraction form
    1,244,833.66/1,866,142.71 = 486,502.68/x
  3. Step 3: Cross multiply
    1,244,833.66x = 1,866,142.71 × 486,502.68
  4. Step 4: Simplify right side
    1,244,833.66x = 907,883,427,244.95
  5. Step 5: Solve for x
    x = 907,883,427,244.95/1,244,833.66
  6. Step 6: Final answer
    x = 729,321.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.