Home / 1,344,139.80-2,016,209.70-1,219,723.80

Finding the Fourth Proportional to 1,344,139.80, 2,016,209.70 and 1,219,723.80

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Solution

The fourth proportional to 1,344,139.80, 2,016,209.70 and 1,219,723.80 is: 1,829,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,139.80 : 2,016,209.70 = 1,219,723.80 : x
  2. Step 2: Convert to fraction form
    1,344,139.80/2,016,209.70 = 1,219,723.80/x
  3. Step 3: Cross multiply
    1,344,139.80x = 2,016,209.70 × 1,219,723.80
  4. Step 4: Simplify right side
    1,344,139.80x = 2,459,218,956,880.86
  5. Step 5: Solve for x
    x = 2,459,218,956,880.86/1,344,139.80
  6. Step 6: Final answer
    x = 1,829,585.70

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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.