Home / 1,403,634.31-2,105,231.83-456,998.65

Finding the Fourth Proportional to 1,403,634.31, 2,105,231.83 and 456,998.65

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Solution

The fourth proportional to 1,403,634.31, 2,105,231.83 and 456,998.65 is: 685,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,634.31 : 2,105,231.83 = 456,998.65 : x
  2. Step 2: Convert to fraction form
    1,403,634.31/2,105,231.83 = 456,998.65/x
  3. Step 3: Cross multiply
    1,403,634.31x = 2,105,231.83 × 456,998.65
  4. Step 4: Simplify right side
    1,403,634.31x = 962,088,104,247.03
  5. Step 5: Solve for x
    x = 962,088,104,247.03/1,403,634.31
  6. Step 6: Final answer
    x = 685,426.47

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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.