Home / 1,285,089.24-1,773,468.90-775,692.12

Finding the Fourth Proportional to 1,285,089.24, 1,773,468.90 and 775,692.12

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Solution

The fourth proportional to 1,285,089.24, 1,773,468.90 and 775,692.12 is: 1,070,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,089.24 : 1,773,468.90 = 775,692.12 : x
  2. Step 2: Convert to fraction form
    1,285,089.24/1,773,468.90 = 775,692.12/x
  3. Step 3: Cross multiply
    1,285,089.24x = 1,773,468.90 × 775,692.12
  4. Step 4: Simplify right side
    1,285,089.24x = 1,375,665,850,795.07
  5. Step 5: Solve for x
    x = 1,375,665,850,795.07/1,285,089.24
  6. Step 6: Final answer
    x = 1,070,482.74

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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.