Home / 1,330,358.40-1,996,790.40-699,724.80

Finding the Fourth Proportional to 1,330,358.40, 1,996,790.40 and 699,724.80

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Solution

The fourth proportional to 1,330,358.40, 1,996,790.40 and 699,724.80 is: 1,050,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,358.40 : 1,996,790.40 = 699,724.80 : x
  2. Step 2: Convert to fraction form
    1,330,358.40/1,996,790.40 = 699,724.80/x
  3. Step 3: Cross multiply
    1,330,358.40x = 1,996,790.40 × 699,724.80
  4. Step 4: Simplify right side
    1,330,358.40x = 1,397,203,763,281.92
  5. Step 5: Solve for x
    x = 1,397,203,763,281.92/1,330,358.40
  6. Step 6: Final answer
    x = 1,050,246.13

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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.