Home / 1,394,887.80-2,091,813.30-553,265.40

Finding the Fourth Proportional to 1,394,887.80, 2,091,813.30 and 553,265.40

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Solution

The fourth proportional to 1,394,887.80, 2,091,813.30 and 553,265.40 is: 829,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,887.80 : 2,091,813.30 = 553,265.40 : x
  2. Step 2: Convert to fraction form
    1,394,887.80/2,091,813.30 = 553,265.40/x
  3. Step 3: Cross multiply
    1,394,887.80x = 2,091,813.30 × 553,265.40
  4. Step 4: Simplify right side
    1,394,887.80x = 1,157,327,922,149.82
  5. Step 5: Solve for x
    x = 1,157,327,922,149.82/1,394,887.80
  6. Step 6: Final answer
    x = 829,692.48

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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.