Home / 1,383,400.70-2,075,101.05-822,146.30

Finding the Fourth Proportional to 1,383,400.70, 2,075,101.05 and 822,146.30

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Solution

The fourth proportional to 1,383,400.70, 2,075,101.05 and 822,146.30 is: 1,233,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,400.70 : 2,075,101.05 = 822,146.30 : x
  2. Step 2: Convert to fraction form
    1,383,400.70/2,075,101.05 = 822,146.30/x
  3. Step 3: Cross multiply
    1,383,400.70x = 2,075,101.05 × 822,146.30
  4. Step 4: Simplify right side
    1,383,400.70x = 1,706,036,650,383.62
  5. Step 5: Solve for x
    x = 1,706,036,650,383.62/1,383,400.70
  6. Step 6: Final answer
    x = 1,233,219.45

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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.