Home / 1,330,732.80-1,996,358.40-384,134.40

Finding the Fourth Proportional to 1,330,732.80, 1,996,358.40 and 384,134.40

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Solution

The fourth proportional to 1,330,732.80, 1,996,358.40 and 384,134.40 is: 576,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,732.80 : 1,996,358.40 = 384,134.40 : x
  2. Step 2: Convert to fraction form
    1,330,732.80/1,996,358.40 = 384,134.40/x
  3. Step 3: Cross multiply
    1,330,732.80x = 1,996,358.40 × 384,134.40
  4. Step 4: Simplify right side
    1,330,732.80x = 766,869,936,168.96
  5. Step 5: Solve for x
    x = 766,869,936,168.96/1,330,732.80
  6. Step 6: Final answer
    x = 576,276.42

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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.