Home / 1,412,422.80-2,118,634.20-1,304,595.60

Finding the Fourth Proportional to 1,412,422.80, 2,118,634.20 and 1,304,595.60

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Solution

The fourth proportional to 1,412,422.80, 2,118,634.20 and 1,304,595.60 is: 1,956,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,422.80 : 2,118,634.20 = 1,304,595.60 : x
  2. Step 2: Convert to fraction form
    1,412,422.80/2,118,634.20 = 1,304,595.60/x
  3. Step 3: Cross multiply
    1,412,422.80x = 2,118,634.20 × 1,304,595.60
  4. Step 4: Simplify right side
    1,412,422.80x = 2,763,960,855,329.52
  5. Step 5: Solve for x
    x = 2,763,960,855,329.52/1,412,422.80
  6. Step 6: Final answer
    x = 1,956,893.40

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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.