Home / 830,179.70-1,245,269.55-830,179.70

Finding the Fourth Proportional to 830,179.70, 1,245,269.55 and 830,179.70

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Solution

The fourth proportional to 830,179.70, 1,245,269.55 and 830,179.70 is: 1,245,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,179.70 : 1,245,269.55 = 830,179.70 : x
  2. Step 2: Convert to fraction form
    830,179.70/1,245,269.55 = 830,179.70/x
  3. Step 3: Cross multiply
    830,179.70x = 1,245,269.55 × 830,179.70
  4. Step 4: Simplify right side
    830,179.70x = 1,033,797,501,438.14
  5. Step 5: Solve for x
    x = 1,033,797,501,438.14/830,179.70
  6. Step 6: Final answer
    x = 1,245,269.55

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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.