Home / 1,330,253.40-1,996,632.90-699,619.80

Finding the Fourth Proportional to 1,330,253.40, 1,996,632.90 and 699,619.80

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Solution

The fourth proportional to 1,330,253.40, 1,996,632.90 and 699,619.80 is: 1,050,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,253.40 : 1,996,632.90 = 699,619.80 : x
  2. Step 2: Convert to fraction form
    1,330,253.40/1,996,632.90 = 699,619.80/x
  3. Step 3: Cross multiply
    1,330,253.40x = 1,996,632.90 × 699,619.80
  4. Step 4: Simplify right side
    1,330,253.40x = 1,396,883,910,171.42
  5. Step 5: Solve for x
    x = 1,396,883,910,171.42/1,330,253.40
  6. Step 6: Final answer
    x = 1,050,088.58

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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.