Home / 1,212,948.07-1,819,639.96-414,042.77

Finding the Fourth Proportional to 1,212,948.07, 1,819,639.96 and 414,042.77

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Solution

The fourth proportional to 1,212,948.07, 1,819,639.96 and 414,042.77 is: 621,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,948.07 : 1,819,639.96 = 414,042.77 : x
  2. Step 2: Convert to fraction form
    1,212,948.07/1,819,639.96 = 414,042.77/x
  3. Step 3: Cross multiply
    1,212,948.07x = 1,819,639.96 × 414,042.77
  4. Step 4: Simplify right side
    1,212,948.07x = 753,408,772,955.08
  5. Step 5: Solve for x
    x = 753,408,772,955.08/1,212,948.07
  6. Step 6: Final answer
    x = 621,138.52

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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.