Home / 1,262,481.28-1,742,261.89-689,548.48

Finding the Fourth Proportional to 1,262,481.28, 1,742,261.89 and 689,548.48

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Solution

The fourth proportional to 1,262,481.28, 1,742,261.89 and 689,548.48 is: 951,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,481.28 : 1,742,261.89 = 689,548.48 : x
  2. Step 2: Convert to fraction form
    1,262,481.28/1,742,261.89 = 689,548.48/x
  3. Step 3: Cross multiply
    1,262,481.28x = 1,742,261.89 × 689,548.48
  4. Step 4: Simplify right side
    1,262,481.28x = 1,201,374,029,300.12
  5. Step 5: Solve for x
    x = 1,201,374,029,300.12/1,262,481.28
  6. Step 6: Final answer
    x = 951,597.50

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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.