Home / 1,286,652.60-1,775,546.28-742,770

Finding the Fourth Proportional to 1,286,652.60, 1,775,546.28 and 742,770

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Solution

The fourth proportional to 1,286,652.60, 1,775,546.28 and 742,770 is: 1,025,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,652.60 : 1,775,546.28 = 742,770 : x
  2. Step 2: Convert to fraction form
    1,286,652.60/1,775,546.28 = 742,770/x
  3. Step 3: Cross multiply
    1,286,652.60x = 1,775,546.28 × 742,770
  4. Step 4: Simplify right side
    1,286,652.60x = 1,318,822,510,395.60
  5. Step 5: Solve for x
    x = 1,318,822,510,395.60/1,286,652.60
  6. Step 6: Final answer
    x = 1,025,002.79

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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.