Home / 1,434,494.30-1,979,615.85-789,937.34

Finding the Fourth Proportional to 1,434,494.30, 1,979,615.85 and 789,937.34

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Solution

The fourth proportional to 1,434,494.30, 1,979,615.85 and 789,937.34 is: 1,090,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,494.30 : 1,979,615.85 = 789,937.34 : x
  2. Step 2: Convert to fraction form
    1,434,494.30/1,979,615.85 = 789,937.34/x
  3. Step 3: Cross multiply
    1,434,494.30x = 1,979,615.85 × 789,937.34
  4. Step 4: Simplify right side
    1,434,494.30x = 1,563,772,478,770.84
  5. Step 5: Solve for x
    x = 1,563,772,478,770.84/1,434,494.30
  6. Step 6: Final answer
    x = 1,090,121.08

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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.