Home / 1,309,905.60-1,964,469.60-510,727.20

Finding the Fourth Proportional to 1,309,905.60, 1,964,469.60 and 510,727.20

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Solution

The fourth proportional to 1,309,905.60, 1,964,469.60 and 510,727.20 is: 765,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,905.60 : 1,964,469.60 = 510,727.20 : x
  2. Step 2: Convert to fraction form
    1,309,905.60/1,964,469.60 = 510,727.20/x
  3. Step 3: Cross multiply
    1,309,905.60x = 1,964,469.60 × 510,727.20
  4. Step 4: Simplify right side
    1,309,905.60x = 1,003,308,058,293.12
  5. Step 5: Solve for x
    x = 1,003,308,058,293.12/1,309,905.60
  6. Step 6: Final answer
    x = 765,939.21

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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.