Home / 1,321,765.50-1,824,126.60-748,810.38

Finding the Fourth Proportional to 1,321,765.50, 1,824,126.60 and 748,810.38

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Solution

The fourth proportional to 1,321,765.50, 1,824,126.60 and 748,810.38 is: 1,033,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,765.50 : 1,824,126.60 = 748,810.38 : x
  2. Step 2: Convert to fraction form
    1,321,765.50/1,824,126.60 = 748,810.38/x
  3. Step 3: Cross multiply
    1,321,765.50x = 1,824,126.60 × 748,810.38
  4. Step 4: Simplify right side
    1,321,765.50x = 1,365,924,932,514.11
  5. Step 5: Solve for x
    x = 1,365,924,932,514.11/1,321,765.50
  6. Step 6: Final answer
    x = 1,033,409.43

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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.