Home / 1,146,999.88-1,582,948.52-688,131.64

Finding the Fourth Proportional to 1,146,999.88, 1,582,948.52 and 688,131.64

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Solution

The fourth proportional to 1,146,999.88, 1,582,948.52 and 688,131.64 is: 949,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,999.88 : 1,582,948.52 = 688,131.64 : x
  2. Step 2: Convert to fraction form
    1,146,999.88/1,582,948.52 = 688,131.64/x
  3. Step 3: Cross multiply
    1,146,999.88x = 1,582,948.52 × 688,131.64
  4. Step 4: Simplify right side
    1,146,999.88x = 1,089,276,961,103.17
  5. Step 5: Solve for x
    x = 1,089,276,961,103.17/1,146,999.88
  6. Step 6: Final answer
    x = 949,674.87

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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.