Home / 1,090,379.04-1,635,832.08-342,425.04

Finding the Fourth Proportional to 1,090,379.04, 1,635,832.08 and 342,425.04

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Solution

The fourth proportional to 1,090,379.04, 1,635,832.08 and 342,425.04 is: 513,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,379.04 : 1,635,832.08 = 342,425.04 : x
  2. Step 2: Convert to fraction form
    1,090,379.04/1,635,832.08 = 342,425.04/x
  3. Step 3: Cross multiply
    1,090,379.04x = 1,635,832.08 × 342,425.04
  4. Step 4: Simplify right side
    1,090,379.04x = 560,149,865,427.28
  5. Step 5: Solve for x
    x = 560,149,865,427.28/1,090,379.04
  6. Step 6: Final answer
    x = 513,720.32

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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.