Home / 919,108.49-1,377,222.08-581,435.82

Finding the Fourth Proportional to 919,108.49, 1,377,222.08 and 581,435.82

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Solution

The fourth proportional to 919,108.49, 1,377,222.08 and 581,435.82 is: 871,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,108.49 : 1,377,222.08 = 581,435.82 : x
  2. Step 2: Convert to fraction form
    919,108.49/1,377,222.08 = 581,435.82/x
  3. Step 3: Cross multiply
    919,108.49x = 1,377,222.08 × 581,435.82
  4. Step 4: Simplify right side
    919,108.49x = 800,766,246,499.73
  5. Step 5: Solve for x
    x = 800,766,246,499.73/919,108.49
  6. Step 6: Final answer
    x = 871,242.36

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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.