Home / 1,219,840.60-1,683,433.56-675,975.12

Finding the Fourth Proportional to 1,219,840.60, 1,683,433.56 and 675,975.12

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Solution

The fourth proportional to 1,219,840.60, 1,683,433.56 and 675,975.12 is: 932,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,840.60 : 1,683,433.56 = 675,975.12 : x
  2. Step 2: Convert to fraction form
    1,219,840.60/1,683,433.56 = 675,975.12/x
  3. Step 3: Cross multiply
    1,219,840.60x = 1,683,433.56 × 675,975.12
  4. Step 4: Simplify right side
    1,219,840.60x = 1,137,959,202,733.03
  5. Step 5: Solve for x
    x = 1,137,959,202,733.03/1,219,840.60
  6. Step 6: Final answer
    x = 932,875.33

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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.