Home / 1,858,289.60-2,785,551.60-1,259,310.80

Finding the Fourth Proportional to 1,858,289.60, 2,785,551.60 and 1,259,310.80

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Solution

The fourth proportional to 1,858,289.60, 2,785,551.60 and 1,259,310.80 is: 1,887,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,289.60 : 2,785,551.60 = 1,259,310.80 : x
  2. Step 2: Convert to fraction form
    1,858,289.60/2,785,551.60 = 1,259,310.80/x
  3. Step 3: Cross multiply
    1,858,289.60x = 2,785,551.60 × 1,259,310.80
  4. Step 4: Simplify right side
    1,858,289.60x = 3,507,875,213,837.28
  5. Step 5: Solve for x
    x = 3,507,875,213,837.28/1,858,289.60
  6. Step 6: Final answer
    x = 1,887,690.28

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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.