Home / 1,396,134.75-2,094,207.57-922,714.86

Finding the Fourth Proportional to 1,396,134.75, 2,094,207.57 and 922,714.86

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Solution

The fourth proportional to 1,396,134.75, 2,094,207.57 and 922,714.86 is: 1,384,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,134.75 : 2,094,207.57 = 922,714.86 : x
  2. Step 2: Convert to fraction form
    1,396,134.75/2,094,207.57 = 922,714.86/x
  3. Step 3: Cross multiply
    1,396,134.75x = 2,094,207.57 × 922,714.86
  4. Step 4: Simplify right side
    1,396,134.75x = 1,932,356,444,763.49
  5. Step 5: Solve for x
    x = 1,932,356,444,763.49/1,396,134.75
  6. Step 6: Final answer
    x = 1,384,075.89

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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.