Home / 1,422,718.96-1,963,232.94-802,489.86

Finding the Fourth Proportional to 1,422,718.96, 1,963,232.94 and 802,489.86

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Solution

The fourth proportional to 1,422,718.96, 1,963,232.94 and 802,489.86 is: 1,107,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,718.96 : 1,963,232.94 = 802,489.86 : x
  2. Step 2: Convert to fraction form
    1,422,718.96/1,963,232.94 = 802,489.86/x
  3. Step 3: Cross multiply
    1,422,718.96x = 1,963,232.94 × 802,489.86
  4. Step 4: Simplify right side
    1,422,718.96x = 1,575,474,513,339.37
  5. Step 5: Solve for x
    x = 1,575,474,513,339.37/1,422,718.96
  6. Step 6: Final answer
    x = 1,107,368.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.