Home / 1,426,194.40-2,139,291.60-626,627.20

Finding the Fourth Proportional to 1,426,194.40, 2,139,291.60 and 626,627.20

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Solution

The fourth proportional to 1,426,194.40, 2,139,291.60 and 626,627.20 is: 939,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,194.40 : 2,139,291.60 = 626,627.20 : x
  2. Step 2: Convert to fraction form
    1,426,194.40/2,139,291.60 = 626,627.20/x
  3. Step 3: Cross multiply
    1,426,194.40x = 2,139,291.60 × 626,627.20
  4. Step 4: Simplify right side
    1,426,194.40x = 1,340,538,305,291.52
  5. Step 5: Solve for x
    x = 1,340,538,305,291.52/1,426,194.40
  6. Step 6: Final answer
    x = 939,940.80

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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.