Home / 1,502,692.32-2,072,507.40-1,321,019.04

Finding the Fourth Proportional to 1,502,692.32, 2,072,507.40 and 1,321,019.04

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Solution

The fourth proportional to 1,502,692.32, 2,072,507.40 and 1,321,019.04 is: 1,821,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,692.32 : 2,072,507.40 = 1,321,019.04 : x
  2. Step 2: Convert to fraction form
    1,502,692.32/2,072,507.40 = 1,321,019.04/x
  3. Step 3: Cross multiply
    1,502,692.32x = 2,072,507.40 × 1,321,019.04
  4. Step 4: Simplify right side
    1,502,692.32x = 2,737,821,735,940.90
  5. Step 5: Solve for x
    x = 2,737,821,735,940.90/1,502,692.32
  6. Step 6: Final answer
    x = 1,821,944.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.