Home / 1,383,835.07-2,075,740.25-437,205.75

Finding the Fourth Proportional to 1,383,835.07, 2,075,740.25 and 437,205.75

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Solution

The fourth proportional to 1,383,835.07, 2,075,740.25 and 437,205.75 is: 655,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,835.07 : 2,075,740.25 = 437,205.75 : x
  2. Step 2: Convert to fraction form
    1,383,835.07/2,075,740.25 = 437,205.75/x
  3. Step 3: Cross multiply
    1,383,835.07x = 2,075,740.25 × 437,205.75
  4. Step 4: Simplify right side
    1,383,835.07x = 907,525,570,620.41
  5. Step 5: Solve for x
    x = 907,525,570,620.41/1,383,835.07
  6. Step 6: Final answer
    x = 655,804.72

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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.