Home / 1,097,476.70-1,646,215.05-978,503.90

Finding the Fourth Proportional to 1,097,476.70, 1,646,215.05 and 978,503.90

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Solution

The fourth proportional to 1,097,476.70, 1,646,215.05 and 978,503.90 is: 1,467,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,476.70 : 1,646,215.05 = 978,503.90 : x
  2. Step 2: Convert to fraction form
    1,097,476.70/1,646,215.05 = 978,503.90/x
  3. Step 3: Cross multiply
    1,097,476.70x = 1,646,215.05 × 978,503.90
  4. Step 4: Simplify right side
    1,097,476.70x = 1,610,827,846,663.70
  5. Step 5: Solve for x
    x = 1,610,827,846,663.70/1,097,476.70
  6. Step 6: Final answer
    x = 1,467,755.85

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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.