Home / 1,787,862.25-2,683,478.72-651,722.59

Finding the Fourth Proportional to 1,787,862.25, 2,683,478.72 and 651,722.59

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Solution

The fourth proportional to 1,787,862.25, 2,683,478.72 and 651,722.59 is: 978,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,862.25 : 2,683,478.72 = 651,722.59 : x
  2. Step 2: Convert to fraction form
    1,787,862.25/2,683,478.72 = 651,722.59/x
  3. Step 3: Cross multiply
    1,787,862.25x = 2,683,478.72 × 651,722.59
  4. Step 4: Simplify right side
    1,787,862.25x = 1,748,883,701,608.29
  5. Step 5: Solve for x
    x = 1,748,883,701,608.29/1,787,862.25
  6. Step 6: Final answer
    x = 978,198.24

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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.