Home / 1,211,195.60-1,816,793.40-788,181.20

Finding the Fourth Proportional to 1,211,195.60, 1,816,793.40 and 788,181.20

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Solution

The fourth proportional to 1,211,195.60, 1,816,793.40 and 788,181.20 is: 1,182,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,195.60 : 1,816,793.40 = 788,181.20 : x
  2. Step 2: Convert to fraction form
    1,211,195.60/1,816,793.40 = 788,181.20/x
  3. Step 3: Cross multiply
    1,211,195.60x = 1,816,793.40 × 788,181.20
  4. Step 4: Simplify right side
    1,211,195.60x = 1,431,962,402,164.08
  5. Step 5: Solve for x
    x = 1,431,962,402,164.08/1,211,195.60
  6. Step 6: Final answer
    x = 1,182,271.80

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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.