Home / 1,011,477.54-1,517,962.86-478,997.58

Finding the Fourth Proportional to 1,011,477.54, 1,517,962.86 and 478,997.58

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Solution

The fourth proportional to 1,011,477.54, 1,517,962.86 and 478,997.58 is: 718,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,477.54 : 1,517,962.86 = 478,997.58 : x
  2. Step 2: Convert to fraction form
    1,011,477.54/1,517,962.86 = 478,997.58/x
  3. Step 3: Cross multiply
    1,011,477.54x = 1,517,962.86 × 478,997.58
  4. Step 4: Simplify right side
    1,011,477.54x = 727,100,536,469.88
  5. Step 5: Solve for x
    x = 727,100,536,469.88/1,011,477.54
  6. Step 6: Final answer
    x = 718,849.91

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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.