Home / 1,639,585.80-2,459,378.70-967,739.40

Finding the Fourth Proportional to 1,639,585.80, 2,459,378.70 and 967,739.40

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Solution

The fourth proportional to 1,639,585.80, 2,459,378.70 and 967,739.40 is: 1,451,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,585.80 : 2,459,378.70 = 967,739.40 : x
  2. Step 2: Convert to fraction form
    1,639,585.80/2,459,378.70 = 967,739.40/x
  3. Step 3: Cross multiply
    1,639,585.80x = 2,459,378.70 × 967,739.40
  4. Step 4: Simplify right side
    1,639,585.80x = 2,380,037,667,510.78
  5. Step 5: Solve for x
    x = 2,380,037,667,510.78/1,639,585.80
  6. Step 6: Final answer
    x = 1,451,609.10

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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.