Home / 1,489,792.74-2,055,668.90-938,422.76

Finding the Fourth Proportional to 1,489,792.74, 2,055,668.90 and 938,422.76

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Solution

The fourth proportional to 1,489,792.74, 2,055,668.90 and 938,422.76 is: 1,294,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,792.74 : 2,055,668.90 = 938,422.76 : x
  2. Step 2: Convert to fraction form
    1,489,792.74/2,055,668.90 = 938,422.76/x
  3. Step 3: Cross multiply
    1,489,792.74x = 2,055,668.90 × 938,422.76
  4. Step 4: Simplify right side
    1,489,792.74x = 1,929,086,482,784.16
  5. Step 5: Solve for x
    x = 1,929,086,482,784.16/1,489,792.74
  6. Step 6: Final answer
    x = 1,294,869.03

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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.