Home / 1,383,838.83-2,075,745.87-437,209.50

Finding the Fourth Proportional to 1,383,838.83, 2,075,745.87 and 437,209.50

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Solution

The fourth proportional to 1,383,838.83, 2,075,745.87 and 437,209.50 is: 655,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,838.83 : 2,075,745.87 = 437,209.50 : x
  2. Step 2: Convert to fraction form
    1,383,838.83/2,075,745.87 = 437,209.50/x
  3. Step 3: Cross multiply
    1,383,838.83x = 2,075,745.87 × 437,209.50
  4. Step 4: Simplify right side
    1,383,838.83x = 907,535,813,949.77
  5. Step 5: Solve for x
    x = 907,535,813,949.77/1,383,838.83
  6. Step 6: Final answer
    x = 655,810.34

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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.