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Finding the Fourth Proportional to 1,090,099, 1,635,163.08 and 342,145

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Solution

The fourth proportional to 1,090,099, 1,635,163.08 and 342,145 is: 513,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,099 : 1,635,163.08 = 342,145 : x
  2. Step 2: Convert to fraction form
    1,090,099/1,635,163.08 = 342,145/x
  3. Step 3: Cross multiply
    1,090,099x = 1,635,163.08 × 342,145
  4. Step 4: Simplify right side
    1,090,099x = 559,462,872,006.60
  5. Step 5: Solve for x
    x = 559,462,872,006.60/1,090,099
  6. Step 6: Final answer
    x = 513,222.08

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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.