Home / 1,347,905.16-2,021,181.66-449,030.88

Finding the Fourth Proportional to 1,347,905.16, 2,021,181.66 and 449,030.88

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Solution

The fourth proportional to 1,347,905.16, 2,021,181.66 and 449,030.88 is: 673,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,905.16 : 2,021,181.66 = 449,030.88 : x
  2. Step 2: Convert to fraction form
    1,347,905.16/2,021,181.66 = 449,030.88/x
  3. Step 3: Cross multiply
    1,347,905.16x = 2,021,181.66 × 449,030.88
  4. Step 4: Simplify right side
    1,347,905.16x = 907,572,979,429.66
  5. Step 5: Solve for x
    x = 907,572,979,429.66/1,347,905.16
  6. Step 6: Final answer
    x = 673,321.10

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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.