Home / 1,679,719.64-2,520,624.34-682,447.64

Finding the Fourth Proportional to 1,679,719.64, 2,520,624.34 and 682,447.64

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Solution

The fourth proportional to 1,679,719.64, 2,520,624.34 and 682,447.64 is: 1,024,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,719.64 : 2,520,624.34 = 682,447.64 : x
  2. Step 2: Convert to fraction form
    1,679,719.64/2,520,624.34 = 682,447.64/x
  3. Step 3: Cross multiply
    1,679,719.64x = 2,520,624.34 × 682,447.64
  4. Step 4: Simplify right side
    1,679,719.64x = 1,720,194,132,159.56
  5. Step 5: Solve for x
    x = 1,720,194,132,159.56/1,679,719.64
  6. Step 6: Final answer
    x = 1,024,095.98

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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.