Home / 829,400.66-1,241,714.42-742,855.60

Finding the Fourth Proportional to 829,400.66, 1,241,714.42 and 742,855.60

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Solution

The fourth proportional to 829,400.66, 1,241,714.42 and 742,855.60 is: 1,112,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,400.66 : 1,241,714.42 = 742,855.60 : x
  2. Step 2: Convert to fraction form
    829,400.66/1,241,714.42 = 742,855.60/x
  3. Step 3: Cross multiply
    829,400.66x = 1,241,714.42 × 742,855.60
  4. Step 4: Simplify right side
    829,400.66x = 922,414,512,354.89
  5. Step 5: Solve for x
    x = 922,414,512,354.89/829,400.66
  6. Step 6: Final answer
    x = 1,112,145.87

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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.