Home / 1,008,021.40-1,511,047.95-901,733.20

Finding the Fourth Proportional to 1,008,021.40, 1,511,047.95 and 901,733.20

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Solution

The fourth proportional to 1,008,021.40, 1,511,047.95 and 901,733.20 is: 1,351,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021.40 : 1,511,047.95 = 901,733.20 : x
  2. Step 2: Convert to fraction form
    1,008,021.40/1,511,047.95 = 901,733.20/x
  3. Step 3: Cross multiply
    1,008,021.40x = 1,511,047.95 × 901,733.20
  4. Step 4: Simplify right side
    1,008,021.40x = 1,362,562,103,306.94
  5. Step 5: Solve for x
    x = 1,362,562,103,306.94/1,008,021.40
  6. Step 6: Final answer
    x = 1,351,719.42

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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.