Home / 1,575,022.42-2,361,483.87-765,190.90

Finding the Fourth Proportional to 1,575,022.42, 2,361,483.87 and 765,190.90

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Solution

The fourth proportional to 1,575,022.42, 2,361,483.87 and 765,190.90 is: 1,147,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,022.42 : 2,361,483.87 = 765,190.90 : x
  2. Step 2: Convert to fraction form
    1,575,022.42/2,361,483.87 = 765,190.90/x
  3. Step 3: Cross multiply
    1,575,022.42x = 2,361,483.87 × 765,190.90
  4. Step 4: Simplify right side
    1,575,022.42x = 1,806,985,967,820.78
  5. Step 5: Solve for x
    x = 1,806,985,967,820.78/1,575,022.42
  6. Step 6: Final answer
    x = 1,147,276.35

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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.