Home / 1,542,590.10-2,313,507.60-644,039.28

Finding the Fourth Proportional to 1,542,590.10, 2,313,507.60 and 644,039.28

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Solution

The fourth proportional to 1,542,590.10, 2,313,507.60 and 644,039.28 is: 965,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,590.10 : 2,313,507.60 = 644,039.28 : x
  2. Step 2: Convert to fraction form
    1,542,590.10/2,313,507.60 = 644,039.28/x
  3. Step 3: Cross multiply
    1,542,590.10x = 2,313,507.60 × 644,039.28
  4. Step 4: Simplify right side
    1,542,590.10x = 1,489,989,768,978.53
  5. Step 5: Solve for x
    x = 1,489,989,768,978.53/1,542,590.10
  6. Step 6: Final answer
    x = 965,901.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.