Home / 1,212,412.25-1,818,691.28-370,971.29

Finding the Fourth Proportional to 1,212,412.25, 1,818,691.28 and 370,971.29

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Solution

The fourth proportional to 1,212,412.25, 1,818,691.28 and 370,971.29 is: 556,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,412.25 : 1,818,691.28 = 370,971.29 : x
  2. Step 2: Convert to fraction form
    1,212,412.25/1,818,691.28 = 370,971.29/x
  3. Step 3: Cross multiply
    1,212,412.25x = 1,818,691.28 × 370,971.29
  4. Step 4: Simplify right side
    1,212,412.25x = 674,682,250,253.35
  5. Step 5: Solve for x
    x = 674,682,250,253.35/1,212,412.25
  6. Step 6: Final answer
    x = 556,479.24

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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.