Home / 1,601,279.42-2,399,261.90-1,126,968.32

Finding the Fourth Proportional to 1,601,279.42, 2,399,261.90 and 1,126,968.32

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Solution

The fourth proportional to 1,601,279.42, 2,399,261.90 and 1,126,968.32 is: 1,688,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,279.42 : 2,399,261.90 = 1,126,968.32 : x
  2. Step 2: Convert to fraction form
    1,601,279.42/2,399,261.90 = 1,126,968.32/x
  3. Step 3: Cross multiply
    1,601,279.42x = 2,399,261.90 × 1,126,968.32
  4. Step 4: Simplify right side
    1,601,279.42x = 2,703,892,135,051.86
  5. Step 5: Solve for x
    x = 2,703,892,135,051.86/1,601,279.42
  6. Step 6: Final answer
    x = 1,688,582.34

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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.