Home / 1,330,668.10-1,996,002.15-384,069.70

Finding the Fourth Proportional to 1,330,668.10, 1,996,002.15 and 384,069.70

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Solution

The fourth proportional to 1,330,668.10, 1,996,002.15 and 384,069.70 is: 576,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,668.10 : 1,996,002.15 = 384,069.70 : x
  2. Step 2: Convert to fraction form
    1,330,668.10/1,996,002.15 = 384,069.70/x
  3. Step 3: Cross multiply
    1,330,668.10x = 1,996,002.15 × 384,069.70
  4. Step 4: Simplify right side
    1,330,668.10x = 766,603,946,949.86
  5. Step 5: Solve for x
    x = 766,603,946,949.86/1,330,668.10
  6. Step 6: Final answer
    x = 576,104.55

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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.