Home / 997,290.54-1,376,056.89-589,187.84

Finding the Fourth Proportional to 997,290.54, 1,376,056.89 and 589,187.84

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Solution

The fourth proportional to 997,290.54, 1,376,056.89 and 589,187.84 is: 812,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,290.54 : 1,376,056.89 = 589,187.84 : x
  2. Step 2: Convert to fraction form
    997,290.54/1,376,056.89 = 589,187.84/x
  3. Step 3: Cross multiply
    997,290.54x = 1,376,056.89 × 589,187.84
  4. Step 4: Simplify right side
    997,290.54x = 810,755,979,855.93
  5. Step 5: Solve for x
    x = 810,755,979,855.93/997,290.54
  6. Step 6: Final answer
    x = 812,958.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.