Home / 1,245,235.67-1,867,667.61-346,583.70

Finding the Fourth Proportional to 1,245,235.67, 1,867,667.61 and 346,583.70

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Solution

The fourth proportional to 1,245,235.67, 1,867,667.61 and 346,583.70 is: 519,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,235.67 : 1,867,667.61 = 346,583.70 : x
  2. Step 2: Convert to fraction form
    1,245,235.67/1,867,667.61 = 346,583.70/x
  3. Step 3: Cross multiply
    1,245,235.67x = 1,867,667.61 × 346,583.70
  4. Step 4: Simplify right side
    1,245,235.67x = 647,303,150,643.96
  5. Step 5: Solve for x
    x = 647,303,150,643.96/1,245,235.67
  6. Step 6: Final answer
    x = 519,823.81

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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.