Home / 998,810.95-1,496,638.54-810,903.91

Finding the Fourth Proportional to 998,810.95, 1,496,638.54 and 810,903.91

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Solution

The fourth proportional to 998,810.95, 1,496,638.54 and 810,903.91 is: 1,215,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,810.95 : 1,496,638.54 = 810,903.91 : x
  2. Step 2: Convert to fraction form
    998,810.95/1,496,638.54 = 810,903.91/x
  3. Step 3: Cross multiply
    998,810.95x = 1,496,638.54 × 810,903.91
  4. Step 4: Simplify right side
    998,810.95x = 1,213,630,043,942.69
  5. Step 5: Solve for x
    x = 1,213,630,043,942.69/998,810.95
  6. Step 6: Final answer
    x = 1,215,074.83

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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.