Home / 1,206,879.60-1,811,485.80-608,516.40

Finding the Fourth Proportional to 1,206,879.60, 1,811,485.80 and 608,516.40

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Solution

The fourth proportional to 1,206,879.60, 1,811,485.80 and 608,516.40 is: 913,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,879.60 : 1,811,485.80 = 608,516.40 : x
  2. Step 2: Convert to fraction form
    1,206,879.60/1,811,485.80 = 608,516.40/x
  3. Step 3: Cross multiply
    1,206,879.60x = 1,811,485.80 × 608,516.40
  4. Step 4: Simplify right side
    1,206,879.60x = 1,102,318,817,667.12
  5. Step 5: Solve for x
    x = 1,102,318,817,667.12/1,206,879.60
  6. Step 6: Final answer
    x = 913,362.71

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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.