Home / 1,330,678.56-1,995,988.94-371,108.56

Finding the Fourth Proportional to 1,330,678.56, 1,995,988.94 and 371,108.56

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Solution

The fourth proportional to 1,330,678.56, 1,995,988.94 and 371,108.56 is: 556,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,678.56 : 1,995,988.94 = 371,108.56 : x
  2. Step 2: Convert to fraction form
    1,330,678.56/1,995,988.94 = 371,108.56/x
  3. Step 3: Cross multiply
    1,330,678.56x = 1,995,988.94 × 371,108.56
  4. Step 4: Simplify right side
    1,330,678.56x = 740,728,581,299.33
  5. Step 5: Solve for x
    x = 740,728,581,299.33/1,330,678.56
  6. Step 6: Final answer
    x = 556,654.78

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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.