Home / 1,433,828-1,978,451.04-821,868.08

Finding the Fourth Proportional to 1,433,828, 1,978,451.04 and 821,868.08

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Solution

The fourth proportional to 1,433,828, 1,978,451.04 and 821,868.08 is: 1,134,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,828 : 1,978,451.04 = 821,868.08 : x
  2. Step 2: Convert to fraction form
    1,433,828/1,978,451.04 = 821,868.08/x
  3. Step 3: Cross multiply
    1,433,828x = 1,978,451.04 × 821,868.08
  4. Step 4: Simplify right side
    1,433,828x = 1,626,025,757,618.80
  5. Step 5: Solve for x
    x = 1,626,025,757,618.80/1,433,828
  6. Step 6: Final answer
    x = 1,134,045.20

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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.