Home / 1,090,100-1,635,164.58-342,146

Finding the Fourth Proportional to 1,090,100, 1,635,164.58 and 342,146

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Solution

The fourth proportional to 1,090,100, 1,635,164.58 and 342,146 is: 513,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,100 : 1,635,164.58 = 342,146 : x
  2. Step 2: Convert to fraction form
    1,090,100/1,635,164.58 = 342,146/x
  3. Step 3: Cross multiply
    1,090,100x = 1,635,164.58 × 342,146
  4. Step 4: Simplify right side
    1,090,100x = 559,465,020,388.68
  5. Step 5: Solve for x
    x = 559,465,020,388.68/1,090,100
  6. Step 6: Final answer
    x = 513,223.58

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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.