Home / 1,488,634.39-2,232,683.81-394,426.59

Finding the Fourth Proportional to 1,488,634.39, 2,232,683.81 and 394,426.59

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Solution

The fourth proportional to 1,488,634.39, 2,232,683.81 and 394,426.59 is: 591,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,634.39 : 2,232,683.81 = 394,426.59 : x
  2. Step 2: Convert to fraction form
    1,488,634.39/2,232,683.81 = 394,426.59/x
  3. Step 3: Cross multiply
    1,488,634.39x = 2,232,683.81 × 394,426.59
  4. Step 4: Simplify right side
    1,488,634.39x = 880,629,861,726.51
  5. Step 5: Solve for x
    x = 880,629,861,726.51/1,488,634.39
  6. Step 6: Final answer
    x = 591,568.94

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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.