Home / 1,724,633.73-2,380,048.56-989,722.49

Finding the Fourth Proportional to 1,724,633.73, 2,380,048.56 and 989,722.49

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Solution

The fourth proportional to 1,724,633.73, 2,380,048.56 and 989,722.49 is: 1,365,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,633.73 : 2,380,048.56 = 989,722.49 : x
  2. Step 2: Convert to fraction form
    1,724,633.73/2,380,048.56 = 989,722.49/x
  3. Step 3: Cross multiply
    1,724,633.73x = 2,380,048.56 × 989,722.49
  4. Step 4: Simplify right side
    1,724,633.73x = 2,355,587,575,223.87
  5. Step 5: Solve for x
    x = 2,355,587,575,223.87/1,724,633.73
  6. Step 6: Final answer
    x = 1,365,848.03

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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.