Home / 1,448,388.50-1,998,021.06-859,345.11

Finding the Fourth Proportional to 1,448,388.50, 1,998,021.06 and 859,345.11

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Solution

The fourth proportional to 1,448,388.50, 1,998,021.06 and 859,345.11 is: 1,185,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,388.50 : 1,998,021.06 = 859,345.11 : x
  2. Step 2: Convert to fraction form
    1,448,388.50/1,998,021.06 = 859,345.11/x
  3. Step 3: Cross multiply
    1,448,388.50x = 1,998,021.06 × 859,345.11
  4. Step 4: Simplify right side
    1,448,388.50x = 1,716,989,627,588.02
  5. Step 5: Solve for x
    x = 1,716,989,627,588.02/1,448,388.50
  6. Step 6: Final answer
    x = 1,185,448.26

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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.