Home / 918,040.33-1,379,385.47-581,239.36

Finding the Fourth Proportional to 918,040.33, 1,379,385.47 and 581,239.36

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Solution

The fourth proportional to 918,040.33, 1,379,385.47 and 581,239.36 is: 873,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,040.33 : 1,379,385.47 = 581,239.36 : x
  2. Step 2: Convert to fraction form
    918,040.33/1,379,385.47 = 581,239.36/x
  3. Step 3: Cross multiply
    918,040.33x = 1,379,385.47 × 581,239.36
  4. Step 4: Simplify right side
    918,040.33x = 801,753,127,776.10
  5. Step 5: Solve for x
    x = 801,753,127,776.10/918,040.33
  6. Step 6: Final answer
    x = 873,331.05

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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.