Home / 1,383,375.60-2,075,063.40-436,623.30

Finding the Fourth Proportional to 1,383,375.60, 2,075,063.40 and 436,623.30

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Solution

The fourth proportional to 1,383,375.60, 2,075,063.40 and 436,623.30 is: 654,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,375.60 : 2,075,063.40 = 436,623.30 : x
  2. Step 2: Convert to fraction form
    1,383,375.60/2,075,063.40 = 436,623.30/x
  3. Step 3: Cross multiply
    1,383,375.60x = 2,075,063.40 × 436,623.30
  4. Step 4: Simplify right side
    1,383,375.60x = 906,021,029,417.22
  5. Step 5: Solve for x
    x = 906,021,029,417.22/1,383,375.60
  6. Step 6: Final answer
    x = 654,934.95

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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.