Home / 1,449,415.10-2,174,122.65-1,325,412.20

Finding the Fourth Proportional to 1,449,415.10, 2,174,122.65 and 1,325,412.20

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Solution

The fourth proportional to 1,449,415.10, 2,174,122.65 and 1,325,412.20 is: 1,988,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,415.10 : 2,174,122.65 = 1,325,412.20 : x
  2. Step 2: Convert to fraction form
    1,449,415.10/2,174,122.65 = 1,325,412.20/x
  3. Step 3: Cross multiply
    1,449,415.10x = 2,174,122.65 × 1,325,412.20
  4. Step 4: Simplify right side
    1,449,415.10x = 2,881,608,684,606.33
  5. Step 5: Solve for x
    x = 2,881,608,684,606.33/1,449,415.10
  6. Step 6: Final answer
    x = 1,988,118.30

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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.