Home / 1,142,857.05-1,714,628.21-344,164.65

Finding the Fourth Proportional to 1,142,857.05, 1,714,628.21 and 344,164.65

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Solution

The fourth proportional to 1,142,857.05, 1,714,628.21 and 344,164.65 is: 516,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,857.05 : 1,714,628.21 = 344,164.65 : x
  2. Step 2: Convert to fraction form
    1,142,857.05/1,714,628.21 = 344,164.65/x
  3. Step 3: Cross multiply
    1,142,857.05x = 1,714,628.21 × 344,164.65
  4. Step 4: Simplify right side
    1,142,857.05x = 590,114,416,053.95
  5. Step 5: Solve for x
    x = 590,114,416,053.95/1,142,857.05
  6. Step 6: Final answer
    x = 516,350.16

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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.