Home / 1,286,652.85-1,775,546.67-742,770.25

Finding the Fourth Proportional to 1,286,652.85, 1,775,546.67 and 742,770.25

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Solution

The fourth proportional to 1,286,652.85, 1,775,546.67 and 742,770.25 is: 1,025,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,652.85 : 1,775,546.67 = 742,770.25 : x
  2. Step 2: Convert to fraction form
    1,286,652.85/1,775,546.67 = 742,770.25/x
  3. Step 3: Cross multiply
    1,286,652.85x = 1,775,546.67 × 742,770.25
  4. Step 4: Simplify right side
    1,286,652.85x = 1,318,823,243,962.57
  5. Step 5: Solve for x
    x = 1,318,823,243,962.57/1,286,652.85
  6. Step 6: Final answer
    x = 1,025,003.17

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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.