Home / 1,395,270.37-1,925,493.31-783,555.54

Finding the Fourth Proportional to 1,395,270.37, 1,925,493.31 and 783,555.54

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Solution

The fourth proportional to 1,395,270.37, 1,925,493.31 and 783,555.54 is: 1,081,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,270.37 : 1,925,493.31 = 783,555.54 : x
  2. Step 2: Convert to fraction form
    1,395,270.37/1,925,493.31 = 783,555.54/x
  3. Step 3: Cross multiply
    1,395,270.37x = 1,925,493.31 × 783,555.54
  4. Step 4: Simplify right side
    1,395,270.37x = 1,508,730,944,042.28
  5. Step 5: Solve for x
    x = 1,508,730,944,042.28/1,395,270.37
  6. Step 6: Final answer
    x = 1,081,317.98

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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.