Home / 1,271,372.16-1,907,056.44-324,743.16

Finding the Fourth Proportional to 1,271,372.16, 1,907,056.44 and 324,743.16

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Solution

The fourth proportional to 1,271,372.16, 1,907,056.44 and 324,743.16 is: 487,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,372.16 : 1,907,056.44 = 324,743.16 : x
  2. Step 2: Convert to fraction form
    1,271,372.16/1,907,056.44 = 324,743.16/x
  3. Step 3: Cross multiply
    1,271,372.16x = 1,907,056.44 × 324,743.16
  4. Step 4: Simplify right side
    1,271,372.16x = 619,303,534,623.95
  5. Step 5: Solve for x
    x = 619,303,534,623.95/1,271,372.16
  6. Step 6: Final answer
    x = 487,114.28

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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.