Home / 1,090,339.88-1,635,575.43-342,385.88

Finding the Fourth Proportional to 1,090,339.88, 1,635,575.43 and 342,385.88

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Solution

The fourth proportional to 1,090,339.88, 1,635,575.43 and 342,385.88 is: 513,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,339.88 : 1,635,575.43 = 342,385.88 : x
  2. Step 2: Convert to fraction form
    1,090,339.88/1,635,575.43 = 342,385.88/x
  3. Step 3: Cross multiply
    1,090,339.88x = 1,635,575.43 × 342,385.88
  4. Step 4: Simplify right side
    1,090,339.88x = 559,997,932,906.93
  5. Step 5: Solve for x
    x = 559,997,932,906.93/1,090,339.88
  6. Step 6: Final answer
    x = 513,599.42

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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.