Home / 1,211,321.60-1,816,982.40-1,132,006.40

Finding the Fourth Proportional to 1,211,321.60, 1,816,982.40 and 1,132,006.40

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Solution

The fourth proportional to 1,211,321.60, 1,816,982.40 and 1,132,006.40 is: 1,698,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,321.60 : 1,816,982.40 = 1,132,006.40 : x
  2. Step 2: Convert to fraction form
    1,211,321.60/1,816,982.40 = 1,132,006.40/x
  3. Step 3: Cross multiply
    1,211,321.60x = 1,816,982.40 × 1,132,006.40
  4. Step 4: Simplify right side
    1,211,321.60x = 2,056,835,705,487.36
  5. Step 5: Solve for x
    x = 2,056,835,705,487.36/1,211,321.60
  6. Step 6: Final answer
    x = 1,698,009.60

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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.