Home / 1,158,362.06-1,598,550.24-642,121.52

Finding the Fourth Proportional to 1,158,362.06, 1,598,550.24 and 642,121.52

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Solution

The fourth proportional to 1,158,362.06, 1,598,550.24 and 642,121.52 is: 886,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,362.06 : 1,598,550.24 = 642,121.52 : x
  2. Step 2: Convert to fraction form
    1,158,362.06/1,598,550.24 = 642,121.52/x
  3. Step 3: Cross multiply
    1,158,362.06x = 1,598,550.24 × 642,121.52
  4. Step 4: Simplify right side
    1,158,362.06x = 1,026,463,509,905.16
  5. Step 5: Solve for x
    x = 1,026,463,509,905.16/1,158,362.06
  6. Step 6: Final answer
    x = 886,133.57

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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.