Home / 1,575,023.42-2,361,485.37-765,191.90

Finding the Fourth Proportional to 1,575,023.42, 2,361,485.37 and 765,191.90

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Solution

The fourth proportional to 1,575,023.42, 2,361,485.37 and 765,191.90 is: 1,147,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,023.42 : 2,361,485.37 = 765,191.90 : x
  2. Step 2: Convert to fraction form
    1,575,023.42/2,361,485.37 = 765,191.90/x
  3. Step 3: Cross multiply
    1,575,023.42x = 2,361,485.37 × 765,191.90
  4. Step 4: Simplify right side
    1,575,023.42x = 1,806,989,477,092.50
  5. Step 5: Solve for x
    x = 1,806,989,477,092.50/1,575,023.42
  6. Step 6: Final answer
    x = 1,147,277.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.