Home / 1,212,672.60-1,819,268.10-371,309.40

Finding the Fourth Proportional to 1,212,672.60, 1,819,268.10 and 371,309.40

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Solution

The fourth proportional to 1,212,672.60, 1,819,268.10 and 371,309.40 is: 557,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,672.60 : 1,819,268.10 = 371,309.40 : x
  2. Step 2: Convert to fraction form
    1,212,672.60/1,819,268.10 = 371,309.40/x
  3. Step 3: Cross multiply
    1,212,672.60x = 1,819,268.10 × 371,309.40
  4. Step 4: Simplify right side
    1,212,672.60x = 675,511,346,650.14
  5. Step 5: Solve for x
    x = 675,511,346,650.14/1,212,672.60
  6. Step 6: Final answer
    x = 557,043.46

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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.