Home / 1,118,912.54-1,542,877.40-755,705.81

Finding the Fourth Proportional to 1,118,912.54, 1,542,877.40 and 755,705.81

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Solution

The fourth proportional to 1,118,912.54, 1,542,877.40 and 755,705.81 is: 1,042,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,912.54 : 1,542,877.40 = 755,705.81 : x
  2. Step 2: Convert to fraction form
    1,118,912.54/1,542,877.40 = 755,705.81/x
  3. Step 3: Cross multiply
    1,118,912.54x = 1,542,877.40 × 755,705.81
  4. Step 4: Simplify right side
    1,118,912.54x = 1,165,961,403,804.78
  5. Step 5: Solve for x
    x = 1,165,961,403,804.78/1,118,912.54
  6. Step 6: Final answer
    x = 1,042,048.75

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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.