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Finding the Fourth Proportional to 998,099.10, 1,494,815.85 and 978,054.30

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Solution

The fourth proportional to 998,099.10, 1,494,815.85 and 978,054.30 is: 1,464,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,099.10 : 1,494,815.85 = 978,054.30 : x
  2. Step 2: Convert to fraction form
    998,099.10/1,494,815.85 = 978,054.30/x
  3. Step 3: Cross multiply
    998,099.10x = 1,494,815.85 × 978,054.30
  4. Step 4: Simplify right side
    998,099.10x = 1,462,011,069,800.66
  5. Step 5: Solve for x
    x = 1,462,011,069,800.66/998,099.10
  6. Step 6: Final answer
    x = 1,464,795.50

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1.5x scale

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.