Home / 1,222,819.58-1,833,264.67-772,591.45

Finding the Fourth Proportional to 1,222,819.58, 1,833,264.67 and 772,591.45

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Solution

The fourth proportional to 1,222,819.58, 1,833,264.67 and 772,591.45 is: 1,158,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,819.58 : 1,833,264.67 = 772,591.45 : x
  2. Step 2: Convert to fraction form
    1,222,819.58/1,833,264.67 = 772,591.45/x
  3. Step 3: Cross multiply
    1,222,819.58x = 1,833,264.67 × 772,591.45
  4. Step 4: Simplify right side
    1,222,819.58x = 1,416,364,614,875.15
  5. Step 5: Solve for x
    x = 1,416,364,614,875.15/1,222,819.58
  6. Step 6: Final answer
    x = 1,158,277.68

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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.