Home / 1,478,997.10-2,212,658.47-1,120,201.52

Finding the Fourth Proportional to 1,478,997.10, 2,212,658.47 and 1,120,201.52

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Solution

The fourth proportional to 1,478,997.10, 2,212,658.47 and 1,120,201.52 is: 1,675,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,997.10 : 2,212,658.47 = 1,120,201.52 : x
  2. Step 2: Convert to fraction form
    1,478,997.10/2,212,658.47 = 1,120,201.52/x
  3. Step 3: Cross multiply
    1,478,997.10x = 2,212,658.47 × 1,120,201.52
  4. Step 4: Simplify right side
    1,478,997.10x = 2,478,623,381,334.87
  5. Step 5: Solve for x
    x = 2,478,623,381,334.87/1,478,997.10
  6. Step 6: Final answer
    x = 1,675,881.16

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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.