Home / 1,385,028.72-1,897,480.40-1,333,235.68

Finding the Fourth Proportional to 1,385,028.72, 1,897,480.40 and 1,333,235.68

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Solution

The fourth proportional to 1,385,028.72, 1,897,480.40 and 1,333,235.68 is: 1,826,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,028.72 : 1,897,480.40 = 1,333,235.68 : x
  2. Step 2: Convert to fraction form
    1,385,028.72/1,897,480.40 = 1,333,235.68/x
  3. Step 3: Cross multiply
    1,385,028.72x = 1,897,480.40 × 1,333,235.68
  4. Step 4: Simplify right side
    1,385,028.72x = 2,529,788,571,380.67
  5. Step 5: Solve for x
    x = 2,529,788,571,380.67/1,385,028.72
  6. Step 6: Final answer
    x = 1,826,524.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.