Home / 1,403,632.81-2,105,229.59-456,997.15

Finding the Fourth Proportional to 1,403,632.81, 2,105,229.59 and 456,997.15

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Solution

The fourth proportional to 1,403,632.81, 2,105,229.59 and 456,997.15 is: 685,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,632.81 : 2,105,229.59 = 456,997.15 : x
  2. Step 2: Convert to fraction form
    1,403,632.81/2,105,229.59 = 456,997.15/x
  3. Step 3: Cross multiply
    1,403,632.81x = 2,105,229.59 × 456,997.15
  4. Step 4: Simplify right side
    1,403,632.81x = 962,083,922,725.67
  5. Step 5: Solve for x
    x = 962,083,922,725.67/1,403,632.81
  6. Step 6: Final answer
    x = 685,424.22

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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.