Home / 1,365,656.85-1,885,361.31-821,926.17

Finding the Fourth Proportional to 1,365,656.85, 1,885,361.31 and 821,926.17

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Solution

The fourth proportional to 1,365,656.85, 1,885,361.31 and 821,926.17 is: 1,134,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,656.85 : 1,885,361.31 = 821,926.17 : x
  2. Step 2: Convert to fraction form
    1,365,656.85/1,885,361.31 = 821,926.17/x
  3. Step 3: Cross multiply
    1,365,656.85x = 1,885,361.31 × 821,926.17
  4. Step 4: Simplify right side
    1,365,656.85x = 1,549,627,800,594.48
  5. Step 5: Solve for x
    x = 1,549,627,800,594.48/1,365,656.85
  6. Step 6: Final answer
    x = 1,134,712.43

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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.