Home / 1,383,838.07-2,075,744.75-437,208.75

Finding the Fourth Proportional to 1,383,838.07, 2,075,744.75 and 437,208.75

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Solution

The fourth proportional to 1,383,838.07, 2,075,744.75 and 437,208.75 is: 655,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,838.07 : 2,075,744.75 = 437,208.75 : x
  2. Step 2: Convert to fraction form
    1,383,838.07/2,075,744.75 = 437,208.75/x
  3. Step 3: Cross multiply
    1,383,838.07x = 2,075,744.75 × 437,208.75
  4. Step 4: Simplify right side
    1,383,838.07x = 907,533,765,280.52
  5. Step 5: Solve for x
    x = 907,533,765,280.52/1,383,838.07
  6. Step 6: Final answer
    x = 655,809.22

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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.