Home / 1,090,465.56-1,635,604.38-663,890.94

Finding the Fourth Proportional to 1,090,465.56, 1,635,604.38 and 663,890.94

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Solution

The fourth proportional to 1,090,465.56, 1,635,604.38 and 663,890.94 is: 995,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,465.56 : 1,635,604.38 = 663,890.94 : x
  2. Step 2: Convert to fraction form
    1,090,465.56/1,635,604.38 = 663,890.94/x
  3. Step 3: Cross multiply
    1,090,465.56x = 1,635,604.38 × 663,890.94
  4. Step 4: Simplify right side
    1,090,465.56x = 1,085,862,929,306.32
  5. Step 5: Solve for x
    x = 1,085,862,929,306.32/1,090,465.56
  6. Step 6: Final answer
    x = 995,779.21

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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.