Home / 1,212,412-1,818,690.90-370,971.04

Finding the Fourth Proportional to 1,212,412, 1,818,690.90 and 370,971.04

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Solution

The fourth proportional to 1,212,412, 1,818,690.90 and 370,971.04 is: 556,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,412 : 1,818,690.90 = 370,971.04 : x
  2. Step 2: Convert to fraction form
    1,212,412/1,818,690.90 = 370,971.04/x
  3. Step 3: Cross multiply
    1,212,412x = 1,818,690.90 × 370,971.04
  4. Step 4: Simplify right side
    1,212,412x = 674,681,654,611.54
  5. Step 5: Solve for x
    x = 674,681,654,611.54/1,212,412
  6. Step 6: Final answer
    x = 556,478.87

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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.