Home / 1,395,571.90-1,925,779.43-791,959.90

Finding the Fourth Proportional to 1,395,571.90, 1,925,779.43 and 791,959.90

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Solution

The fourth proportional to 1,395,571.90, 1,925,779.43 and 791,959.90 is: 1,092,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,571.90 : 1,925,779.43 = 791,959.90 : x
  2. Step 2: Convert to fraction form
    1,395,571.90/1,925,779.43 = 791,959.90/x
  3. Step 3: Cross multiply
    1,395,571.90x = 1,925,779.43 × 791,959.90
  4. Step 4: Simplify right side
    1,395,571.90x = 1,525,140,084,804.86
  5. Step 5: Solve for x
    x = 1,525,140,084,804.86/1,395,571.90
  6. Step 6: Final answer
    x = 1,092,842.36

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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.