Home / 1,003,139.93-1,504,692.48-404,085.78

Finding the Fourth Proportional to 1,003,139.93, 1,504,692.48 and 404,085.78

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Solution

The fourth proportional to 1,003,139.93, 1,504,692.48 and 404,085.78 is: 606,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,139.93 : 1,504,692.48 = 404,085.78 : x
  2. Step 2: Convert to fraction form
    1,003,139.93/1,504,692.48 = 404,085.78/x
  3. Step 3: Cross multiply
    1,003,139.93x = 1,504,692.48 × 404,085.78
  4. Step 4: Simplify right side
    1,003,139.93x = 608,024,834,440.94
  5. Step 5: Solve for x
    x = 608,024,834,440.94/1,003,139.93
  6. Step 6: Final answer
    x = 606,121.65

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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.