Home / 1,422,643.30-1,963,124.91-802,414.33

Finding the Fourth Proportional to 1,422,643.30, 1,963,124.91 and 802,414.33

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Solution

The fourth proportional to 1,422,643.30, 1,963,124.91 and 802,414.33 is: 1,107,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,643.30 : 1,963,124.91 = 802,414.33 : x
  2. Step 2: Convert to fraction form
    1,422,643.30/1,963,124.91 = 802,414.33/x
  3. Step 3: Cross multiply
    1,422,643.30x = 1,963,124.91 × 802,414.33
  4. Step 4: Simplify right side
    1,422,643.30x = 1,575,239,559,363.96
  5. Step 5: Solve for x
    x = 1,575,239,559,363.96/1,422,643.30
  6. Step 6: Final answer
    x = 1,107,262.49

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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.