Home / 1,222,820-1,833,265.33-772,591.89

Finding the Fourth Proportional to 1,222,820, 1,833,265.33 and 772,591.89

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Solution

The fourth proportional to 1,222,820, 1,833,265.33 and 772,591.89 is: 1,158,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,820 : 1,833,265.33 = 772,591.89 : x
  2. Step 2: Convert to fraction form
    1,222,820/1,833,265.33 = 772,591.89/x
  3. Step 3: Cross multiply
    1,222,820x = 1,833,265.33 × 772,591.89
  4. Step 4: Simplify right side
    1,222,820x = 1,416,365,926,176.17
  5. Step 5: Solve for x
    x = 1,416,365,926,176.17/1,222,820
  6. Step 6: Final answer
    x = 1,158,278.35

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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.