Home / 1,158,556.83-1,598,858.98-642,277.90

Finding the Fourth Proportional to 1,158,556.83, 1,598,858.98 and 642,277.90

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Solution

The fourth proportional to 1,158,556.83, 1,598,858.98 and 642,277.90 is: 886,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,556.83 : 1,598,858.98 = 642,277.90 : x
  2. Step 2: Convert to fraction form
    1,158,556.83/1,598,858.98 = 642,277.90/x
  3. Step 3: Cross multiply
    1,158,556.83x = 1,598,858.98 × 642,277.90
  4. Step 4: Simplify right side
    1,158,556.83x = 1,026,911,792,076.23
  5. Step 5: Solve for x
    x = 1,026,911,792,076.23/1,158,556.83
  6. Step 6: Final answer
    x = 886,371.53

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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.