Home / 1,361,194.51-1,878,240.28-788,123.97

Finding the Fourth Proportional to 1,361,194.51, 1,878,240.28 and 788,123.97

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Solution

The fourth proportional to 1,361,194.51, 1,878,240.28 and 788,123.97 is: 1,087,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,194.51 : 1,878,240.28 = 788,123.97 : x
  2. Step 2: Convert to fraction form
    1,361,194.51/1,878,240.28 = 788,123.97/x
  3. Step 3: Cross multiply
    1,361,194.51x = 1,878,240.28 × 788,123.97
  4. Step 4: Simplify right side
    1,361,194.51x = 1,480,286,186,087.51
  5. Step 5: Solve for x
    x = 1,480,286,186,087.51/1,361,194.51
  6. Step 6: Final answer
    x = 1,087,490.56

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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.