Home / 1,265,237.48-1,897,661.39-412,307.08

Finding the Fourth Proportional to 1,265,237.48, 1,897,661.39 and 412,307.08

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Solution

The fourth proportional to 1,265,237.48, 1,897,661.39 and 412,307.08 is: 618,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,237.48 : 1,897,661.39 = 412,307.08 : x
  2. Step 2: Convert to fraction form
    1,265,237.48/1,897,661.39 = 412,307.08/x
  3. Step 3: Cross multiply
    1,265,237.48x = 1,897,661.39 × 412,307.08
  4. Step 4: Simplify right side
    1,265,237.48x = 782,419,219,733.95
  5. Step 5: Solve for x
    x = 782,419,219,733.95/1,265,237.48
  6. Step 6: Final answer
    x = 618,397.12

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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.