Home / 1,422,643.80-1,963,125.60-802,414.83

Finding the Fourth Proportional to 1,422,643.80, 1,963,125.60 and 802,414.83

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Solution

The fourth proportional to 1,422,643.80, 1,963,125.60 and 802,414.83 is: 1,107,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,643.80 : 1,963,125.60 = 802,414.83 : x
  2. Step 2: Convert to fraction form
    1,422,643.80/1,963,125.60 = 802,414.83/x
  3. Step 3: Cross multiply
    1,422,643.80x = 1,963,125.60 × 802,414.83
  4. Step 4: Simplify right side
    1,422,643.80x = 1,575,241,094,592.65
  5. Step 5: Solve for x
    x = 1,575,241,094,592.65/1,422,643.80
  6. Step 6: Final answer
    x = 1,107,263.18

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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.