Home / 1,885,990.02-2,829,406.94-687,912.39

Finding the Fourth Proportional to 1,885,990.02, 2,829,406.94 and 687,912.39

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Solution

The fourth proportional to 1,885,990.02, 2,829,406.94 and 687,912.39 is: 1,032,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,990.02 : 2,829,406.94 = 687,912.39 : x
  2. Step 2: Convert to fraction form
    1,885,990.02/2,829,406.94 = 687,912.39/x
  3. Step 3: Cross multiply
    1,885,990.02x = 2,829,406.94 × 687,912.39
  4. Step 4: Simplify right side
    1,885,990.02x = 1,946,384,090,377.99
  5. Step 5: Solve for x
    x = 1,946,384,090,377.99/1,885,990.02
  6. Step 6: Final answer
    x = 1,032,022.48

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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.