Home / 1,144,361.82-1,575,618.57-971,909.58

Finding the Fourth Proportional to 1,144,361.82, 1,575,618.57 and 971,909.58

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Solution

The fourth proportional to 1,144,361.82, 1,575,618.57 and 971,909.58 is: 1,338,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,361.82 : 1,575,618.57 = 971,909.58 : x
  2. Step 2: Convert to fraction form
    1,144,361.82/1,575,618.57 = 971,909.58/x
  3. Step 3: Cross multiply
    1,144,361.82x = 1,575,618.57 × 971,909.58
  4. Step 4: Simplify right side
    1,144,361.82x = 1,531,358,782,608.90
  5. Step 5: Solve for x
    x = 1,531,358,782,608.90/1,144,361.82
  6. Step 6: Final answer
    x = 1,338,177.10

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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.