Home / 1,521,716.22-2,099,607.75-901,208.16

Finding the Fourth Proportional to 1,521,716.22, 2,099,607.75 and 901,208.16

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Solution

The fourth proportional to 1,521,716.22, 2,099,607.75 and 901,208.16 is: 1,243,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,716.22 : 2,099,607.75 = 901,208.16 : x
  2. Step 2: Convert to fraction form
    1,521,716.22/2,099,607.75 = 901,208.16/x
  3. Step 3: Cross multiply
    1,521,716.22x = 2,099,607.75 × 901,208.16
  4. Step 4: Simplify right side
    1,521,716.22x = 1,892,183,637,099.24
  5. Step 5: Solve for x
    x = 1,892,183,637,099.24/1,521,716.22
  6. Step 6: Final answer
    x = 1,243,453.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.