Home / 1,433,812.08-1,978,429.15-821,852.22

Finding the Fourth Proportional to 1,433,812.08, 1,978,429.15 and 821,852.22

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Solution

The fourth proportional to 1,433,812.08, 1,978,429.15 and 821,852.22 is: 1,134,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,812.08 : 1,978,429.15 = 821,852.22 : x
  2. Step 2: Convert to fraction form
    1,433,812.08/1,978,429.15 = 821,852.22/x
  3. Step 3: Cross multiply
    1,433,812.08x = 1,978,429.15 × 821,852.22
  4. Step 4: Simplify right side
    1,433,812.08x = 1,625,976,397,486.64
  5. Step 5: Solve for x
    x = 1,625,976,397,486.64/1,433,812.08
  6. Step 6: Final answer
    x = 1,134,023.36

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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.