Home / 1,022,228.40-1,534,054.08-423,192.66

Finding the Fourth Proportional to 1,022,228.40, 1,534,054.08 and 423,192.66

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Solution

The fourth proportional to 1,022,228.40, 1,534,054.08 and 423,192.66 is: 635,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,228.40 : 1,534,054.08 = 423,192.66 : x
  2. Step 2: Convert to fraction form
    1,022,228.40/1,534,054.08 = 423,192.66/x
  3. Step 3: Cross multiply
    1,022,228.40x = 1,534,054.08 × 423,192.66
  4. Step 4: Simplify right side
    1,022,228.40x = 649,200,426,699.05
  5. Step 5: Solve for x
    x = 649,200,426,699.05/1,022,228.40
  6. Step 6: Final answer
    x = 635,083.54

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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.