Home / 1,215,907.74-1,823,968.53-317,342.34

Finding the Fourth Proportional to 1,215,907.74, 1,823,968.53 and 317,342.34

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Solution

The fourth proportional to 1,215,907.74, 1,823,968.53 and 317,342.34 is: 476,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,907.74 : 1,823,968.53 = 317,342.34 : x
  2. Step 2: Convert to fraction form
    1,215,907.74/1,823,968.53 = 317,342.34/x
  3. Step 3: Cross multiply
    1,215,907.74x = 1,823,968.53 × 317,342.34
  4. Step 4: Simplify right side
    1,215,907.74x = 578,822,441,396.56
  5. Step 5: Solve for x
    x = 578,822,441,396.56/1,215,907.74
  6. Step 6: Final answer
    x = 476,041.42

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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.