Home / 1,158,058.14-1,598,120.39-641,845.36

Finding the Fourth Proportional to 1,158,058.14, 1,598,120.39 and 641,845.36

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Solution

The fourth proportional to 1,158,058.14, 1,598,120.39 and 641,845.36 is: 885,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,058.14 : 1,598,120.39 = 641,845.36 : x
  2. Step 2: Convert to fraction form
    1,158,058.14/1,598,120.39 = 641,845.36/x
  3. Step 3: Cross multiply
    1,158,058.14x = 1,598,120.39 × 641,845.36
  4. Step 4: Simplify right side
    1,158,058.14x = 1,025,746,153,833.66
  5. Step 5: Solve for x
    x = 1,025,746,153,833.66/1,158,058.14
  6. Step 6: Final answer
    x = 885,746.68

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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.