Home / 1,112,486.46-1,668,645.80-354,297.30

Finding the Fourth Proportional to 1,112,486.46, 1,668,645.80 and 354,297.30

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Solution

The fourth proportional to 1,112,486.46, 1,668,645.80 and 354,297.30 is: 531,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,486.46 : 1,668,645.80 = 354,297.30 : x
  2. Step 2: Convert to fraction form
    1,112,486.46/1,668,645.80 = 354,297.30/x
  3. Step 3: Cross multiply
    1,112,486.46x = 1,668,645.80 × 354,297.30
  4. Step 4: Simplify right side
    1,112,486.46x = 591,196,701,596.34
  5. Step 5: Solve for x
    x = 591,196,701,596.34/1,112,486.46
  6. Step 6: Final answer
    x = 531,419.23

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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.