Home / 1,368,548.80-2,053,114.80-422,015.20

Finding the Fourth Proportional to 1,368,548.80, 2,053,114.80 and 422,015.20

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Solution

The fourth proportional to 1,368,548.80, 2,053,114.80 and 422,015.20 is: 633,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,548.80 : 2,053,114.80 = 422,015.20 : x
  2. Step 2: Convert to fraction form
    1,368,548.80/2,053,114.80 = 422,015.20/x
  3. Step 3: Cross multiply
    1,368,548.80x = 2,053,114.80 × 422,015.20
  4. Step 4: Simplify right side
    1,368,548.80x = 866,445,652,944.96
  5. Step 5: Solve for x
    x = 866,445,652,944.96/1,368,548.80
  6. Step 6: Final answer
    x = 633,112.72

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1.5x scale

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.