Home / 1,280,692.62-1,767,217.50-707,654.88

Finding the Fourth Proportional to 1,280,692.62, 1,767,217.50 and 707,654.88

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Solution

The fourth proportional to 1,280,692.62, 1,767,217.50 and 707,654.88 is: 976,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,692.62 : 1,767,217.50 = 707,654.88 : x
  2. Step 2: Convert to fraction form
    1,280,692.62/1,767,217.50 = 707,654.88/x
  3. Step 3: Cross multiply
    1,280,692.62x = 1,767,217.50 × 707,654.88
  4. Step 4: Simplify right side
    1,280,692.62x = 1,250,580,087,896.40
  5. Step 5: Solve for x
    x = 1,250,580,087,896.40/1,280,692.62
  6. Step 6: Final answer
    x = 976,487.31

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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.