Home / 998,130.60-1,494,863.10-978,085.80

Finding the Fourth Proportional to 998,130.60, 1,494,863.10 and 978,085.80

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Solution

The fourth proportional to 998,130.60, 1,494,863.10 and 978,085.80 is: 1,464,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,130.60 : 1,494,863.10 = 978,085.80 : x
  2. Step 2: Convert to fraction form
    998,130.60/1,494,863.10 = 978,085.80/x
  3. Step 3: Cross multiply
    998,130.60x = 1,494,863.10 × 978,085.80
  4. Step 4: Simplify right side
    998,130.60x = 1,462,104,371,053.98
  5. Step 5: Solve for x
    x = 1,462,104,371,053.98/998,130.60
  6. Step 6: Final answer
    x = 1,464,842.75

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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.