Home / 1,330,246.40-1,996,622.40-699,612.80

Finding the Fourth Proportional to 1,330,246.40, 1,996,622.40 and 699,612.80

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Solution

The fourth proportional to 1,330,246.40, 1,996,622.40 and 699,612.80 is: 1,050,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,246.40 : 1,996,622.40 = 699,612.80 : x
  2. Step 2: Convert to fraction form
    1,330,246.40/1,996,622.40 = 699,612.80/x
  3. Step 3: Cross multiply
    1,330,246.40x = 1,996,622.40 × 699,612.80
  4. Step 4: Simplify right side
    1,330,246.40x = 1,396,862,587,806.72
  5. Step 5: Solve for x
    x = 1,396,862,587,806.72/1,330,246.40
  6. Step 6: Final answer
    x = 1,050,078.08

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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.