Home / 1,020,999.48-1,405,940.58-998,342.97

Finding the Fourth Proportional to 1,020,999.48, 1,405,940.58 and 998,342.97

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Solution

The fourth proportional to 1,020,999.48, 1,405,940.58 and 998,342.97 is: 1,374,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,999.48 : 1,405,940.58 = 998,342.97 : x
  2. Step 2: Convert to fraction form
    1,020,999.48/1,405,940.58 = 998,342.97/x
  3. Step 3: Cross multiply
    1,020,999.48x = 1,405,940.58 × 998,342.97
  4. Step 4: Simplify right side
    1,020,999.48x = 1,403,610,894,280.72
  5. Step 5: Solve for x
    x = 1,403,610,894,280.72/1,020,999.48
  6. Step 6: Final answer
    x = 1,374,742.03

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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.