Home / 1,049,692.80-1,572,926.40-782,198.40

Finding the Fourth Proportional to 1,049,692.80, 1,572,926.40 and 782,198.40

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Solution

The fourth proportional to 1,049,692.80, 1,572,926.40 and 782,198.40 is: 1,172,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,692.80 : 1,572,926.40 = 782,198.40 : x
  2. Step 2: Convert to fraction form
    1,049,692.80/1,572,926.40 = 782,198.40/x
  3. Step 3: Cross multiply
    1,049,692.80x = 1,572,926.40 × 782,198.40
  4. Step 4: Simplify right side
    1,049,692.80x = 1,230,340,513,397.76
  5. Step 5: Solve for x
    x = 1,230,340,513,397.76/1,049,692.80
  6. Step 6: Final answer
    x = 1,172,095.79

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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.