Home / 1,182,371.88-1,631,938.97-774,236.67

Finding the Fourth Proportional to 1,182,371.88, 1,631,938.97 and 774,236.67

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Solution

The fourth proportional to 1,182,371.88, 1,631,938.97 and 774,236.67 is: 1,068,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,371.88 : 1,631,938.97 = 774,236.67 : x
  2. Step 2: Convert to fraction form
    1,182,371.88/1,631,938.97 = 774,236.67/x
  3. Step 3: Cross multiply
    1,182,371.88x = 1,631,938.97 × 774,236.67
  4. Step 4: Simplify right side
    1,182,371.88x = 1,263,506,993,776.03
  5. Step 5: Solve for x
    x = 1,263,506,993,776.03/1,182,371.88
  6. Step 6: Final answer
    x = 1,068,620.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.