Home / 1,230,301.94-1,845,453.72-420,692.33

Finding the Fourth Proportional to 1,230,301.94, 1,845,453.72 and 420,692.33

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Solution

The fourth proportional to 1,230,301.94, 1,845,453.72 and 420,692.33 is: 631,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,301.94 : 1,845,453.72 = 420,692.33 : x
  2. Step 2: Convert to fraction form
    1,230,301.94/1,845,453.72 = 420,692.33/x
  3. Step 3: Cross multiply
    1,230,301.94x = 1,845,453.72 × 420,692.33
  4. Step 4: Simplify right side
    1,230,301.94x = 776,368,216,146.70
  5. Step 5: Solve for x
    x = 776,368,216,146.70/1,230,301.94
  6. Step 6: Final answer
    x = 631,038.76

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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.