Home / 1,512,144.60-2,268,216.90-914,947.80

Finding the Fourth Proportional to 1,512,144.60, 2,268,216.90 and 914,947.80

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Solution

The fourth proportional to 1,512,144.60, 2,268,216.90 and 914,947.80 is: 1,372,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,144.60 : 2,268,216.90 = 914,947.80 : x
  2. Step 2: Convert to fraction form
    1,512,144.60/2,268,216.90 = 914,947.80/x
  3. Step 3: Cross multiply
    1,512,144.60x = 2,268,216.90 × 914,947.80
  4. Step 4: Simplify right side
    1,512,144.60x = 2,075,300,062,577.82
  5. Step 5: Solve for x
    x = 2,075,300,062,577.82/1,512,144.60
  6. Step 6: Final answer
    x = 1,372,421.70

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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.