Home / 990,469.70-1,363,787.70-773,554.58

Finding the Fourth Proportional to 990,469.70, 1,363,787.70 and 773,554.58

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Solution

The fourth proportional to 990,469.70, 1,363,787.70 and 773,554.58 is: 1,065,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,469.70 : 1,363,787.70 = 773,554.58 : x
  2. Step 2: Convert to fraction form
    990,469.70/1,363,787.70 = 773,554.58/x
  3. Step 3: Cross multiply
    990,469.70x = 1,363,787.70 × 773,554.58
  4. Step 4: Simplify right side
    990,469.70x = 1,054,964,221,482.67
  5. Step 5: Solve for x
    x = 1,054,964,221,482.67/990,469.70
  6. Step 6: Final answer
    x = 1,065,115.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.