Home / 1,395,930.47-2,092,085.39-626,860.30

Finding the Fourth Proportional to 1,395,930.47, 2,092,085.39 and 626,860.30

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Solution

The fourth proportional to 1,395,930.47, 2,092,085.39 and 626,860.30 is: 939,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,930.47 : 2,092,085.39 = 626,860.30 : x
  2. Step 2: Convert to fraction form
    1,395,930.47/2,092,085.39 = 626,860.30/x
  3. Step 3: Cross multiply
    1,395,930.47x = 2,092,085.39 × 626,860.30
  4. Step 4: Simplify right side
    1,395,930.47x = 1,311,445,275,201.02
  5. Step 5: Solve for x
    x = 1,311,445,275,201.02/1,395,930.47
  6. Step 6: Final answer
    x = 939,477.51

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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.