Home / 1,292,564.22-1,938,844.80-345,910.29

Finding the Fourth Proportional to 1,292,564.22, 1,938,844.80 and 345,910.29

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Solution

The fourth proportional to 1,292,564.22, 1,938,844.80 and 345,910.29 is: 518,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,564.22 : 1,938,844.80 = 345,910.29 : x
  2. Step 2: Convert to fraction form
    1,292,564.22/1,938,844.80 = 345,910.29/x
  3. Step 3: Cross multiply
    1,292,564.22x = 1,938,844.80 × 345,910.29
  4. Step 4: Simplify right side
    1,292,564.22x = 670,666,367,032.99
  5. Step 5: Solve for x
    x = 670,666,367,032.99/1,292,564.22
  6. Step 6: Final answer
    x = 518,865.03

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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.