Home / 1,322,231.40-1,983,347.10-902,327.40

Finding the Fourth Proportional to 1,322,231.40, 1,983,347.10 and 902,327.40

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Solution

The fourth proportional to 1,322,231.40, 1,983,347.10 and 902,327.40 is: 1,353,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,231.40 : 1,983,347.10 = 902,327.40 : x
  2. Step 2: Convert to fraction form
    1,322,231.40/1,983,347.10 = 902,327.40/x
  3. Step 3: Cross multiply
    1,322,231.40x = 1,983,347.10 × 902,327.40
  4. Step 4: Simplify right side
    1,322,231.40x = 1,789,628,432,040.54
  5. Step 5: Solve for x
    x = 1,789,628,432,040.54/1,322,231.40
  6. Step 6: Final answer
    x = 1,353,491.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.