Home / 1,030,698.61-1,422,402.08-622,721.62

Finding the Fourth Proportional to 1,030,698.61, 1,422,402.08 and 622,721.62

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Solution

The fourth proportional to 1,030,698.61, 1,422,402.08 and 622,721.62 is: 859,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,698.61 : 1,422,402.08 = 622,721.62 : x
  2. Step 2: Convert to fraction form
    1,030,698.61/1,422,402.08 = 622,721.62/x
  3. Step 3: Cross multiply
    1,030,698.61x = 1,422,402.08 × 622,721.62
  4. Step 4: Simplify right side
    1,030,698.61x = 885,760,527,548.97
  5. Step 5: Solve for x
    x = 885,760,527,548.97/1,030,698.61
  6. Step 6: Final answer
    x = 859,378.79

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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.