Home / 1,687,625.66-2,328,834.02-923,531.60

Finding the Fourth Proportional to 1,687,625.66, 2,328,834.02 and 923,531.60

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Solution

The fourth proportional to 1,687,625.66, 2,328,834.02 and 923,531.60 is: 1,274,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,625.66 : 2,328,834.02 = 923,531.60 : x
  2. Step 2: Convert to fraction form
    1,687,625.66/2,328,834.02 = 923,531.60/x
  3. Step 3: Cross multiply
    1,687,625.66x = 2,328,834.02 × 923,531.60
  4. Step 4: Simplify right side
    1,687,625.66x = 2,150,751,808,625.03
  5. Step 5: Solve for x
    x = 2,150,751,808,625.03/1,687,625.66
  6. Step 6: Final answer
    x = 1,274,424.69

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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.