Home / 1,265,138.37-1,897,409.43-465,985.89

Finding the Fourth Proportional to 1,265,138.37, 1,897,409.43 and 465,985.89

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Solution

The fourth proportional to 1,265,138.37, 1,897,409.43 and 465,985.89 is: 698,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,138.37 : 1,897,409.43 = 465,985.89 : x
  2. Step 2: Convert to fraction form
    1,265,138.37/1,897,409.43 = 465,985.89/x
  3. Step 3: Cross multiply
    1,265,138.37x = 1,897,409.43 × 465,985.89
  4. Step 4: Simplify right side
    1,265,138.37x = 884,166,021,932.94
  5. Step 5: Solve for x
    x = 884,166,021,932.94/1,265,138.37
  6. Step 6: Final answer
    x = 698,869.03

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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.