Home / 1,383,805.80-2,075,708.70-935,908.20

Finding the Fourth Proportional to 1,383,805.80, 2,075,708.70 and 935,908.20

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Solution

The fourth proportional to 1,383,805.80, 2,075,708.70 and 935,908.20 is: 1,403,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,805.80 : 2,075,708.70 = 935,908.20 : x
  2. Step 2: Convert to fraction form
    1,383,805.80/2,075,708.70 = 935,908.20/x
  3. Step 3: Cross multiply
    1,383,805.80x = 2,075,708.70 × 935,908.20
  4. Step 4: Simplify right side
    1,383,805.80x = 1,942,672,793,141.34
  5. Step 5: Solve for x
    x = 1,942,672,793,141.34/1,383,805.80
  6. Step 6: Final answer
    x = 1,403,862.30

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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.