Home / 978,178.10-1,467,267.15-741,982.10

Finding the Fourth Proportional to 978,178.10, 1,467,267.15 and 741,982.10

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Solution

The fourth proportional to 978,178.10, 1,467,267.15 and 741,982.10 is: 1,112,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,178.10 : 1,467,267.15 = 741,982.10 : x
  2. Step 2: Convert to fraction form
    978,178.10/1,467,267.15 = 741,982.10/x
  3. Step 3: Cross multiply
    978,178.10x = 1,467,267.15 × 741,982.10
  4. Step 4: Simplify right side
    978,178.10x = 1,088,685,961,218.01
  5. Step 5: Solve for x
    x = 1,088,685,961,218.01/978,178.10
  6. Step 6: Final answer
    x = 1,112,973.15

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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.