Home / 1,090,091.61-1,635,399.14-342,137.61

Finding the Fourth Proportional to 1,090,091.61, 1,635,399.14 and 342,137.61

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Solution

The fourth proportional to 1,090,091.61, 1,635,399.14 and 342,137.61 is: 513,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,091.61 : 1,635,399.14 = 342,137.61 : x
  2. Step 2: Convert to fraction form
    1,090,091.61/1,635,399.14 = 342,137.61/x
  3. Step 3: Cross multiply
    1,090,091.61x = 1,635,399.14 × 342,137.61
  4. Step 4: Simplify right side
    1,090,091.61x = 559,531,551,444.97
  5. Step 5: Solve for x
    x = 559,531,551,444.97/1,090,091.61
  6. Step 6: Final answer
    x = 513,288.56

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1.5x scale

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.