Home / 1,222,005.37-1,833,132.90-423,285.43

Finding the Fourth Proportional to 1,222,005.37, 1,833,132.90 and 423,285.43

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Solution

The fourth proportional to 1,222,005.37, 1,833,132.90 and 423,285.43 is: 634,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,005.37 : 1,833,132.90 = 423,285.43 : x
  2. Step 2: Convert to fraction form
    1,222,005.37/1,833,132.90 = 423,285.43/x
  3. Step 3: Cross multiply
    1,222,005.37x = 1,833,132.90 × 423,285.43
  4. Step 4: Simplify right side
    1,222,005.37x = 775,938,445,707.22
  5. Step 5: Solve for x
    x = 775,938,445,707.22/1,222,005.37
  6. Step 6: Final answer
    x = 634,971.39

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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.