Home / 1,483,515.54-2,227,089.96-978,498.77

Finding the Fourth Proportional to 1,483,515.54, 2,227,089.96 and 978,498.77

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Solution

The fourth proportional to 1,483,515.54, 2,227,089.96 and 978,498.77 is: 1,468,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,515.54 : 2,227,089.96 = 978,498.77 : x
  2. Step 2: Convert to fraction form
    1,483,515.54/2,227,089.96 = 978,498.77/x
  3. Step 3: Cross multiply
    1,483,515.54x = 2,227,089.96 × 978,498.77
  4. Step 4: Simplify right side
    1,483,515.54x = 2,179,204,775,403.90
  5. Step 5: Solve for x
    x = 2,179,204,775,403.90/1,483,515.54
  6. Step 6: Final answer
    x = 1,468,946.38

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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.