Home / 1,434,486.97-1,979,604.93-789,909.76

Finding the Fourth Proportional to 1,434,486.97, 1,979,604.93 and 789,909.76

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Solution

The fourth proportional to 1,434,486.97, 1,979,604.93 and 789,909.76 is: 1,090,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,486.97 : 1,979,604.93 = 789,909.76 : x
  2. Step 2: Convert to fraction form
    1,434,486.97/1,979,604.93 = 789,909.76/x
  3. Step 3: Cross multiply
    1,434,486.97x = 1,979,604.93 × 789,909.76
  4. Step 4: Simplify right side
    1,434,486.97x = 1,563,709,255,151.12
  5. Step 5: Solve for x
    x = 1,563,709,255,151.12/1,434,486.97
  6. Step 6: Final answer
    x = 1,090,082.58

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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.