Home / 1,021,779.36-1,531,092.24-647,015.04

Finding the Fourth Proportional to 1,021,779.36, 1,531,092.24 and 647,015.04

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Solution

The fourth proportional to 1,021,779.36, 1,531,092.24 and 647,015.04 is: 969,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,779.36 : 1,531,092.24 = 647,015.04 : x
  2. Step 2: Convert to fraction form
    1,021,779.36/1,531,092.24 = 647,015.04/x
  3. Step 3: Cross multiply
    1,021,779.36x = 1,531,092.24 × 647,015.04
  4. Step 4: Simplify right side
    1,021,779.36x = 990,639,706,907.29
  5. Step 5: Solve for x
    x = 990,639,706,907.29/1,021,779.36
  6. Step 6: Final answer
    x = 969,524.09

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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.