Home / 1,112,354.64-1,534,934.52-682,652.88

Finding the Fourth Proportional to 1,112,354.64, 1,534,934.52 and 682,652.88

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Solution

The fourth proportional to 1,112,354.64, 1,534,934.52 and 682,652.88 is: 941,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,354.64 : 1,534,934.52 = 682,652.88 : x
  2. Step 2: Convert to fraction form
    1,112,354.64/1,534,934.52 = 682,652.88/x
  3. Step 3: Cross multiply
    1,112,354.64x = 1,534,934.52 × 682,652.88
  4. Step 4: Simplify right side
    1,112,354.64x = 1,047,827,470,689.42
  5. Step 5: Solve for x
    x = 1,047,827,470,689.42/1,112,354.64
  6. Step 6: Final answer
    x = 941,990.47

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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.