Home / 1,395,383.70-2,093,075.55-1,376,721.30

Finding the Fourth Proportional to 1,395,383.70, 2,093,075.55 and 1,376,721.30

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Solution

The fourth proportional to 1,395,383.70, 2,093,075.55 and 1,376,721.30 is: 2,065,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,383.70 : 2,093,075.55 = 1,376,721.30 : x
  2. Step 2: Convert to fraction form
    1,395,383.70/2,093,075.55 = 1,376,721.30/x
  3. Step 3: Cross multiply
    1,395,383.70x = 2,093,075.55 × 1,376,721.30
  4. Step 4: Simplify right side
    1,395,383.70x = 2,881,581,692,194.22
  5. Step 5: Solve for x
    x = 2,881,581,692,194.22/1,395,383.70
  6. Step 6: Final answer
    x = 2,065,081.95

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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.