Home / 1,724,632.48-2,380,046.82-989,721.24

Finding the Fourth Proportional to 1,724,632.48, 2,380,046.82 and 989,721.24

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Solution

The fourth proportional to 1,724,632.48, 2,380,046.82 and 989,721.24 is: 1,365,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,632.48 : 2,380,046.82 = 989,721.24 : x
  2. Step 2: Convert to fraction form
    1,724,632.48/2,380,046.82 = 989,721.24/x
  3. Step 3: Cross multiply
    1,724,632.48x = 2,380,046.82 × 989,721.24
  4. Step 4: Simplify right side
    1,724,632.48x = 2,355,582,889,948.46
  5. Step 5: Solve for x
    x = 2,355,582,889,948.46/1,724,632.48
  6. Step 6: Final answer
    x = 1,365,846.30

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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.