Home / 1,265,042.34-1,897,562.03-412,112.64

Finding the Fourth Proportional to 1,265,042.34, 1,897,562.03 and 412,112.64

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Solution

The fourth proportional to 1,265,042.34, 1,897,562.03 and 412,112.64 is: 618,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,042.34 : 1,897,562.03 = 412,112.64 : x
  2. Step 2: Convert to fraction form
    1,265,042.34/1,897,562.03 = 412,112.64/x
  3. Step 3: Cross multiply
    1,265,042.34x = 1,897,562.03 × 412,112.64
  4. Step 4: Simplify right side
    1,265,042.34x = 782,009,302,802.35
  5. Step 5: Solve for x
    x = 782,009,302,802.35/1,265,042.34
  6. Step 6: Final answer
    x = 618,168.48

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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.