Home / 1,303,332.60-1,954,998.90-878,179.80

Finding the Fourth Proportional to 1,303,332.60, 1,954,998.90 and 878,179.80

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Solution

The fourth proportional to 1,303,332.60, 1,954,998.90 and 878,179.80 is: 1,317,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,332.60 : 1,954,998.90 = 878,179.80 : x
  2. Step 2: Convert to fraction form
    1,303,332.60/1,954,998.90 = 878,179.80/x
  3. Step 3: Cross multiply
    1,303,332.60x = 1,954,998.90 × 878,179.80
  4. Step 4: Simplify right side
    1,303,332.60x = 1,716,840,543,002.22
  5. Step 5: Solve for x
    x = 1,716,840,543,002.22/1,303,332.60
  6. Step 6: Final answer
    x = 1,317,269.70

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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.