Home / 1,090,098-1,635,161.58-342,144

Finding the Fourth Proportional to 1,090,098, 1,635,161.58 and 342,144

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Solution

The fourth proportional to 1,090,098, 1,635,161.58 and 342,144 is: 513,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,098 : 1,635,161.58 = 342,144 : x
  2. Step 2: Convert to fraction form
    1,090,098/1,635,161.58 = 342,144/x
  3. Step 3: Cross multiply
    1,090,098x = 1,635,161.58 × 342,144
  4. Step 4: Simplify right side
    1,090,098x = 559,460,723,627.52
  5. Step 5: Solve for x
    x = 559,460,723,627.52/1,090,098
  6. Step 6: Final answer
    x = 513,220.58

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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.