Home / 1,190,526.44-1,642,938.86-646,672.87

Finding the Fourth Proportional to 1,190,526.44, 1,642,938.86 and 646,672.87

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Solution

The fourth proportional to 1,190,526.44, 1,642,938.86 and 646,672.87 is: 892,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,526.44 : 1,642,938.86 = 646,672.87 : x
  2. Step 2: Convert to fraction form
    1,190,526.44/1,642,938.86 = 646,672.87/x
  3. Step 3: Cross multiply
    1,190,526.44x = 1,642,938.86 × 646,672.87
  4. Step 4: Simplify right side
    1,190,526.44x = 1,062,443,978,622.02
  5. Step 5: Solve for x
    x = 1,062,443,978,622.02/1,190,526.44
  6. Step 6: Final answer
    x = 892,415.27

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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.