Home / 1,190,522.56-1,642,933.20-646,663.60

Finding the Fourth Proportional to 1,190,522.56, 1,642,933.20 and 646,663.60

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Solution

The fourth proportional to 1,190,522.56, 1,642,933.20 and 646,663.60 is: 892,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,522.56 : 1,642,933.20 = 646,663.60 : x
  2. Step 2: Convert to fraction form
    1,190,522.56/1,642,933.20 = 646,663.60/x
  3. Step 3: Cross multiply
    1,190,522.56x = 1,642,933.20 × 646,663.60
  4. Step 4: Simplify right side
    1,190,522.56x = 1,062,425,097,671.52
  5. Step 5: Solve for x
    x = 1,062,425,097,671.52/1,190,522.56
  6. Step 6: Final answer
    x = 892,402.32

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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.