Home / 1,198,172.70-1,653,844.47-739,427.58

Finding the Fourth Proportional to 1,198,172.70, 1,653,844.47 and 739,427.58

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Solution

The fourth proportional to 1,198,172.70, 1,653,844.47 and 739,427.58 is: 1,020,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,172.70 : 1,653,844.47 = 739,427.58 : x
  2. Step 2: Convert to fraction form
    1,198,172.70/1,653,844.47 = 739,427.58/x
  3. Step 3: Cross multiply
    1,198,172.70x = 1,653,844.47 × 739,427.58
  4. Step 4: Simplify right side
    1,198,172.70x = 1,222,898,214,148.48
  5. Step 5: Solve for x
    x = 1,222,898,214,148.48/1,198,172.70
  6. Step 6: Final answer
    x = 1,020,636.02

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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.