Home / 1,720,011.31-2,373,617.12-945,655.36

Finding the Fourth Proportional to 1,720,011.31, 2,373,617.12 and 945,655.36

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Solution

The fourth proportional to 1,720,011.31, 2,373,617.12 and 945,655.36 is: 1,305,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,011.31 : 2,373,617.12 = 945,655.36 : x
  2. Step 2: Convert to fraction form
    1,720,011.31/2,373,617.12 = 945,655.36/x
  3. Step 3: Cross multiply
    1,720,011.31x = 2,373,617.12 × 945,655.36
  4. Step 4: Simplify right side
    1,720,011.31x = 2,244,623,741,453.44
  5. Step 5: Solve for x
    x = 2,244,623,741,453.44/1,720,011.31
  6. Step 6: Final answer
    x = 1,305,005.22

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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.