Home / 1,329,569.80-1,992,021.90-1,091,624.20

Finding the Fourth Proportional to 1,329,569.80, 1,992,021.90 and 1,091,624.20

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Solution

The fourth proportional to 1,329,569.80, 1,992,021.90 and 1,091,624.20 is: 1,635,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,569.80 : 1,992,021.90 = 1,091,624.20 : x
  2. Step 2: Convert to fraction form
    1,329,569.80/1,992,021.90 = 1,091,624.20/x
  3. Step 3: Cross multiply
    1,329,569.80x = 1,992,021.90 × 1,091,624.20
  4. Step 4: Simplify right side
    1,329,569.80x = 2,174,539,312,969.98
  5. Step 5: Solve for x
    x = 2,174,539,312,969.98/1,329,569.80
  6. Step 6: Final answer
    x = 1,635,520.99

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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.