Home / 1,628,323.89-2,247,356.06-903,405.07

Finding the Fourth Proportional to 1,628,323.89, 2,247,356.06 and 903,405.07

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Solution

The fourth proportional to 1,628,323.89, 2,247,356.06 and 903,405.07 is: 1,246,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,323.89 : 2,247,356.06 = 903,405.07 : x
  2. Step 2: Convert to fraction form
    1,628,323.89/2,247,356.06 = 903,405.07/x
  3. Step 3: Cross multiply
    1,628,323.89x = 2,247,356.06 × 903,405.07
  4. Step 4: Simplify right side
    1,628,323.89x = 2,030,272,858,699.22
  5. Step 5: Solve for x
    x = 2,030,272,858,699.22/1,628,323.89
  6. Step 6: Final answer
    x = 1,246,848.29

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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.