Home / 987,997.12-1,477,936.04-788,706.76

Finding the Fourth Proportional to 987,997.12, 1,477,936.04 and 788,706.76

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Solution

The fourth proportional to 987,997.12, 1,477,936.04 and 788,706.76 is: 1,179,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,997.12 : 1,477,936.04 = 788,706.76 : x
  2. Step 2: Convert to fraction form
    987,997.12/1,477,936.04 = 788,706.76/x
  3. Step 3: Cross multiply
    987,997.12x = 1,477,936.04 × 788,706.76
  4. Step 4: Simplify right side
    987,997.12x = 1,165,658,145,595.63
  5. Step 5: Solve for x
    x = 1,165,658,145,595.63/987,997.12
  6. Step 6: Final answer
    x = 1,179,819.38

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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.