Home / 1,418,885.07-1,954,734.42-988,386.27

Finding the Fourth Proportional to 1,418,885.07, 1,954,734.42 and 988,386.27

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Solution

The fourth proportional to 1,418,885.07, 1,954,734.42 and 988,386.27 is: 1,361,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,885.07 : 1,954,734.42 = 988,386.27 : x
  2. Step 2: Convert to fraction form
    1,418,885.07/1,954,734.42 = 988,386.27/x
  3. Step 3: Cross multiply
    1,418,885.07x = 1,954,734.42 × 988,386.27
  4. Step 4: Simplify right side
    1,418,885.07x = 1,932,032,662,224.41
  5. Step 5: Solve for x
    x = 1,932,032,662,224.41/1,418,885.07
  6. Step 6: Final answer
    x = 1,361,655.50

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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.