Home / 1,865,110.20-2,797,665.30-667,071.60

Finding the Fourth Proportional to 1,865,110.20, 2,797,665.30 and 667,071.60

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Solution

The fourth proportional to 1,865,110.20, 2,797,665.30 and 667,071.60 is: 1,000,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,110.20 : 2,797,665.30 = 667,071.60 : x
  2. Step 2: Convert to fraction form
    1,865,110.20/2,797,665.30 = 667,071.60/x
  3. Step 3: Cross multiply
    1,865,110.20x = 2,797,665.30 × 667,071.60
  4. Step 4: Simplify right side
    1,865,110.20x = 1,866,243,067,935.48
  5. Step 5: Solve for x
    x = 1,866,243,067,935.48/1,865,110.20
  6. Step 6: Final answer
    x = 1,000,607.40

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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.