Home / 1,689,648-2,534,475.24-410,250.06

Finding the Fourth Proportional to 1,689,648, 2,534,475.24 and 410,250.06

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Solution

The fourth proportional to 1,689,648, 2,534,475.24 and 410,250.06 is: 615,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,648 : 2,534,475.24 = 410,250.06 : x
  2. Step 2: Convert to fraction form
    1,689,648/2,534,475.24 = 410,250.06/x
  3. Step 3: Cross multiply
    1,689,648x = 2,534,475.24 × 410,250.06
  4. Step 4: Simplify right side
    1,689,648x = 1,039,768,619,278.51
  5. Step 5: Solve for x
    x = 1,039,768,619,278.51/1,689,648
  6. Step 6: Final answer
    x = 615,375.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.