Home / 1,383,839.85-2,075,685.93-372,945.59

Finding the Fourth Proportional to 1,383,839.85, 2,075,685.93 and 372,945.59

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Solution

The fourth proportional to 1,383,839.85, 2,075,685.93 and 372,945.59 is: 559,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,839.85 : 2,075,685.93 = 372,945.59 : x
  2. Step 2: Convert to fraction form
    1,383,839.85/2,075,685.93 = 372,945.59/x
  3. Step 3: Cross multiply
    1,383,839.85x = 2,075,685.93 × 372,945.59
  4. Step 4: Simplify right side
    1,383,839.85x = 774,117,903,440.12
  5. Step 5: Solve for x
    x = 774,117,903,440.12/1,383,839.85
  6. Step 6: Final answer
    x = 559,398.48

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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.