Home / 1,102,024.70-1,653,037.05-978,021.80

Finding the Fourth Proportional to 1,102,024.70, 1,653,037.05 and 978,021.80

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Solution

The fourth proportional to 1,102,024.70, 1,653,037.05 and 978,021.80 is: 1,467,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,024.70 : 1,653,037.05 = 978,021.80 : x
  2. Step 2: Convert to fraction form
    1,102,024.70/1,653,037.05 = 978,021.80/x
  3. Step 3: Cross multiply
    1,102,024.70x = 1,653,037.05 × 978,021.80
  4. Step 4: Simplify right side
    1,102,024.70x = 1,616,706,271,107.69
  5. Step 5: Solve for x
    x = 1,616,706,271,107.69/1,102,024.70
  6. Step 6: Final answer
    x = 1,467,032.70

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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.