Home / 1,129,017.58-1,558,045.73-612,771.44

Finding the Fourth Proportional to 1,129,017.58, 1,558,045.73 and 612,771.44

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Solution

The fourth proportional to 1,129,017.58, 1,558,045.73 and 612,771.44 is: 845,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,017.58 : 1,558,045.73 = 612,771.44 : x
  2. Step 2: Convert to fraction form
    1,129,017.58/1,558,045.73 = 612,771.44/x
  3. Step 3: Cross multiply
    1,129,017.58x = 1,558,045.73 × 612,771.44
  4. Step 4: Simplify right side
    1,129,017.58x = 954,725,922,494.09
  5. Step 5: Solve for x
    x = 954,725,922,494.09/1,129,017.58
  6. Step 6: Final answer
    x = 845,625.39

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1.5x scale

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.