Home / 1,403,633.31-2,105,230.34-456,997.65

Finding the Fourth Proportional to 1,403,633.31, 2,105,230.34 and 456,997.65

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Solution

The fourth proportional to 1,403,633.31, 2,105,230.34 and 456,997.65 is: 685,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,633.31 : 2,105,230.34 = 456,997.65 : x
  2. Step 2: Convert to fraction form
    1,403,633.31/2,105,230.34 = 456,997.65/x
  3. Step 3: Cross multiply
    1,403,633.31x = 2,105,230.34 × 456,997.65
  4. Step 4: Simplify right side
    1,403,633.31x = 962,085,315,803.71
  5. Step 5: Solve for x
    x = 962,085,315,803.71/1,403,633.31
  6. Step 6: Final answer
    x = 685,424.97

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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.