Home / 1,687,936.60-2,328,961.02-999,262.36

Finding the Fourth Proportional to 1,687,936.60, 2,328,961.02 and 999,262.36

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Solution

The fourth proportional to 1,687,936.60, 2,328,961.02 and 999,262.36 is: 1,378,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,936.60 : 2,328,961.02 = 999,262.36 : x
  2. Step 2: Convert to fraction form
    1,687,936.60/2,328,961.02 = 999,262.36/x
  3. Step 3: Cross multiply
    1,687,936.60x = 2,328,961.02 × 999,262.36
  4. Step 4: Simplify right side
    1,687,936.60x = 2,327,243,085,193.21
  5. Step 5: Solve for x
    x = 2,327,243,085,193.21/1,687,936.60
  6. Step 6: Final answer
    x = 1,378,750.30

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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.