Home / 1,329,555.30-1,992,000.15-1,091,609.70

Finding the Fourth Proportional to 1,329,555.30, 1,992,000.15 and 1,091,609.70

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Solution

The fourth proportional to 1,329,555.30, 1,992,000.15 and 1,091,609.70 is: 1,635,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,555.30 : 1,992,000.15 = 1,091,609.70 : x
  2. Step 2: Convert to fraction form
    1,329,555.30/1,992,000.15 = 1,091,609.70/x
  3. Step 3: Cross multiply
    1,329,555.30x = 1,992,000.15 × 1,091,609.70
  4. Step 4: Simplify right side
    1,329,555.30x = 2,174,486,686,141.45
  5. Step 5: Solve for x
    x = 2,174,486,686,141.45/1,329,555.30
  6. Step 6: Final answer
    x = 1,635,499.24

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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.