Home / 1,129,114.54-1,558,174.08-612,868.47

Finding the Fourth Proportional to 1,129,114.54, 1,558,174.08 and 612,868.47

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Solution

The fourth proportional to 1,129,114.54, 1,558,174.08 and 612,868.47 is: 845,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,114.54 : 1,558,174.08 = 612,868.47 : x
  2. Step 2: Convert to fraction form
    1,129,114.54/1,558,174.08 = 612,868.47/x
  3. Step 3: Cross multiply
    1,129,114.54x = 1,558,174.08 × 612,868.47
  4. Step 4: Simplify right side
    1,129,114.54x = 954,955,764,403.26
  5. Step 5: Solve for x
    x = 954,955,764,403.26/1,129,114.54
  6. Step 6: Final answer
    x = 845,756.33

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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.