Home / 1,222,870.70-1,826,071.20-998,675.87

Finding the Fourth Proportional to 1,222,870.70, 1,826,071.20 and 998,675.87

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Solution

The fourth proportional to 1,222,870.70, 1,826,071.20 and 998,675.87 is: 1,491,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,870.70 : 1,826,071.20 = 998,675.87 : x
  2. Step 2: Convert to fraction form
    1,222,870.70/1,826,071.20 = 998,675.87/x
  3. Step 3: Cross multiply
    1,222,870.70x = 1,826,071.20 × 998,675.87
  4. Step 4: Simplify right side
    1,222,870.70x = 1,823,653,235,211.59
  5. Step 5: Solve for x
    x = 1,823,653,235,211.59/1,222,870.70
  6. Step 6: Final answer
    x = 1,491,288.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.