Home / 1,226,466.96-1,692,580.14-682,637.58

Finding the Fourth Proportional to 1,226,466.96, 1,692,580.14 and 682,637.58

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Solution

The fourth proportional to 1,226,466.96, 1,692,580.14 and 682,637.58 is: 942,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,466.96 : 1,692,580.14 = 682,637.58 : x
  2. Step 2: Convert to fraction form
    1,226,466.96/1,692,580.14 = 682,637.58/x
  3. Step 3: Cross multiply
    1,226,466.96x = 1,692,580.14 × 682,637.58
  4. Step 4: Simplify right side
    1,226,466.96x = 1,155,418,810,725.66
  5. Step 5: Solve for x
    x = 1,155,418,810,725.66/1,226,466.96
  6. Step 6: Final answer
    x = 942,070.88

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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.