Home / 1,147,010.88-1,582,963.68-688,142.64

Finding the Fourth Proportional to 1,147,010.88, 1,582,963.68 and 688,142.64

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Solution

The fourth proportional to 1,147,010.88, 1,582,963.68 and 688,142.64 is: 949,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,010.88 : 1,582,963.68 = 688,142.64 : x
  2. Step 2: Convert to fraction form
    1,147,010.88/1,582,963.68 = 688,142.64/x
  3. Step 3: Cross multiply
    1,147,010.88x = 1,582,963.68 × 688,142.64
  4. Step 4: Simplify right side
    1,147,010.88x = 1,089,304,805,779.32
  5. Step 5: Solve for x
    x = 1,089,304,805,779.32/1,147,010.88
  6. Step 6: Final answer
    x = 949,690.04

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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.