Home / 1,663,872.86-2,489,242.47-1,260,227.84

Finding the Fourth Proportional to 1,663,872.86, 2,489,242.47 and 1,260,227.84

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Solution

The fourth proportional to 1,663,872.86, 2,489,242.47 and 1,260,227.84 is: 1,885,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,872.86 : 2,489,242.47 = 1,260,227.84 : x
  2. Step 2: Convert to fraction form
    1,663,872.86/2,489,242.47 = 1,260,227.84/x
  3. Step 3: Cross multiply
    1,663,872.86x = 2,489,242.47 × 1,260,227.84
  4. Step 4: Simplify right side
    1,663,872.86x = 3,137,012,644,032.30
  5. Step 5: Solve for x
    x = 3,137,012,644,032.30/1,663,872.86
  6. Step 6: Final answer
    x = 1,885,368.00

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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.