Home / 1,222,245.46-1,830,711.39-747,494.74

Finding the Fourth Proportional to 1,222,245.46, 1,830,711.39 and 747,494.74

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Solution

The fourth proportional to 1,222,245.46, 1,830,711.39 and 747,494.74 is: 1,119,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,245.46 : 1,830,711.39 = 747,494.74 : x
  2. Step 2: Convert to fraction form
    1,222,245.46/1,830,711.39 = 747,494.74/x
  3. Step 3: Cross multiply
    1,222,245.46x = 1,830,711.39 × 747,494.74
  4. Step 4: Simplify right side
    1,222,245.46x = 1,368,447,134,483.09
  5. Step 5: Solve for x
    x = 1,368,447,134,483.09/1,222,245.46
  6. Step 6: Final answer
    x = 1,119,617.28

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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.