Home / 1,279,750.14-1,919,427.93-426,836.70

Finding the Fourth Proportional to 1,279,750.14, 1,919,427.93 and 426,836.70

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Solution

The fourth proportional to 1,279,750.14, 1,919,427.93 and 426,836.70 is: 640,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,750.14 : 1,919,427.93 = 426,836.70 : x
  2. Step 2: Convert to fraction form
    1,279,750.14/1,919,427.93 = 426,836.70/x
  3. Step 3: Cross multiply
    1,279,750.14x = 1,919,427.93 × 426,836.70
  4. Step 4: Simplify right side
    1,279,750.14x = 819,282,283,529.03
  5. Step 5: Solve for x
    x = 819,282,283,529.03/1,279,750.14
  6. Step 6: Final answer
    x = 640,189.25

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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.