Home / 1,329,556.30-1,992,001.65-1,091,610.70

Finding the Fourth Proportional to 1,329,556.30, 1,992,001.65 and 1,091,610.70

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Solution

The fourth proportional to 1,329,556.30, 1,992,001.65 and 1,091,610.70 is: 1,635,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,556.30 : 1,992,001.65 = 1,091,610.70 : x
  2. Step 2: Convert to fraction form
    1,329,556.30/1,992,001.65 = 1,091,610.70/x
  3. Step 3: Cross multiply
    1,329,556.30x = 1,992,001.65 × 1,091,610.70
  4. Step 4: Simplify right side
    1,329,556.30x = 2,174,490,315,557.65
  5. Step 5: Solve for x
    x = 2,174,490,315,557.65/1,329,556.30
  6. Step 6: Final answer
    x = 1,635,500.74

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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.