Home / 1,325,946.51-1,988,923.41-427,454.01

Finding the Fourth Proportional to 1,325,946.51, 1,988,923.41 and 427,454.01

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Solution

The fourth proportional to 1,325,946.51, 1,988,923.41 and 427,454.01 is: 641,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,946.51 : 1,988,923.41 = 427,454.01 : x
  2. Step 2: Convert to fraction form
    1,325,946.51/1,988,923.41 = 427,454.01/x
  3. Step 3: Cross multiply
    1,325,946.51x = 1,988,923.41 × 427,454.01
  4. Step 4: Simplify right side
    1,325,946.51x = 850,173,287,187.37
  5. Step 5: Solve for x
    x = 850,173,287,187.37/1,325,946.51
  6. Step 6: Final answer
    x = 641,182.19

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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.