Home / 1,222,821-1,833,266.83-772,592.89

Finding the Fourth Proportional to 1,222,821, 1,833,266.83 and 772,592.89

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Solution

The fourth proportional to 1,222,821, 1,833,266.83 and 772,592.89 is: 1,158,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,821 : 1,833,266.83 = 772,592.89 : x
  2. Step 2: Convert to fraction form
    1,222,821/1,833,266.83 = 772,592.89/x
  3. Step 3: Cross multiply
    1,222,821x = 1,833,266.83 × 772,592.89
  4. Step 4: Simplify right side
    1,222,821x = 1,416,368,918,330.84
  5. Step 5: Solve for x
    x = 1,416,368,918,330.84/1,222,821
  6. Step 6: Final answer
    x = 1,158,279.84

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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.