Home / 1,090,109.96-1,635,179.52-342,155.96

Finding the Fourth Proportional to 1,090,109.96, 1,635,179.52 and 342,155.96

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Solution

The fourth proportional to 1,090,109.96, 1,635,179.52 and 342,155.96 is: 513,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,109.96 : 1,635,179.52 = 342,155.96 : x
  2. Step 2: Convert to fraction form
    1,090,109.96/1,635,179.52 = 342,155.96/x
  3. Step 3: Cross multiply
    1,090,109.96x = 1,635,179.52 × 342,155.96
  4. Step 4: Simplify right side
    1,090,109.96x = 559,486,418,437.94
  5. Step 5: Solve for x
    x = 559,486,418,437.94/1,090,109.96
  6. Step 6: Final answer
    x = 513,238.52

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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.