Home / 1,211,318.60-1,815,009.60-1,042,044.80

Finding the Fourth Proportional to 1,211,318.60, 1,815,009.60 and 1,042,044.80

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Solution

The fourth proportional to 1,211,318.60, 1,815,009.60 and 1,042,044.80 is: 1,561,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,318.60 : 1,815,009.60 = 1,042,044.80 : x
  2. Step 2: Convert to fraction form
    1,211,318.60/1,815,009.60 = 1,042,044.80/x
  3. Step 3: Cross multiply
    1,211,318.60x = 1,815,009.60 × 1,042,044.80
  4. Step 4: Simplify right side
    1,211,318.60x = 1,891,321,315,630.08
  5. Step 5: Solve for x
    x = 1,891,321,315,630.08/1,211,318.60
  6. Step 6: Final answer
    x = 1,561,373.96

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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.