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Finding the Fourth Proportional to 1,663,301, 2,494,575.24 and 763,878.12

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Solution

The fourth proportional to 1,663,301, 2,494,575.24 and 763,878.12 is: 1,145,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,301 : 2,494,575.24 = 763,878.12 : x
  2. Step 2: Convert to fraction form
    1,663,301/2,494,575.24 = 763,878.12/x
  3. Step 3: Cross multiply
    1,663,301x = 2,494,575.24 × 763,878.12
  4. Step 4: Simplify right side
    1,663,301x = 1,905,551,444,529.75
  5. Step 5: Solve for x
    x = 1,905,551,444,529.75/1,663,301
  6. Step 6: Final answer
    x = 1,145,644.38

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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.