Home / 1,724,631.48-2,380,045.44-989,720.24

Finding the Fourth Proportional to 1,724,631.48, 2,380,045.44 and 989,720.24

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Solution

The fourth proportional to 1,724,631.48, 2,380,045.44 and 989,720.24 is: 1,365,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,631.48 : 2,380,045.44 = 989,720.24 : x
  2. Step 2: Convert to fraction form
    1,724,631.48/2,380,045.44 = 989,720.24/x
  3. Step 3: Cross multiply
    1,724,631.48x = 2,380,045.44 × 989,720.24
  4. Step 4: Simplify right side
    1,724,631.48x = 2,355,579,135,898.93
  5. Step 5: Solve for x
    x = 2,355,579,135,898.93/1,724,631.48
  6. Step 6: Final answer
    x = 1,365,844.91

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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.