Home / 1,069,170.12-1,603,754.64-429,473.46

Finding the Fourth Proportional to 1,069,170.12, 1,603,754.64 and 429,473.46

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Solution

The fourth proportional to 1,069,170.12, 1,603,754.64 and 429,473.46 is: 644,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,170.12 : 1,603,754.64 = 429,473.46 : x
  2. Step 2: Convert to fraction form
    1,069,170.12/1,603,754.64 = 429,473.46/x
  3. Step 3: Cross multiply
    1,069,170.12x = 1,603,754.64 × 429,473.46
  4. Step 4: Simplify right side
    1,069,170.12x = 688,770,054,231.85
  5. Step 5: Solve for x
    x = 688,770,054,231.85/1,069,170.12
  6. Step 6: Final answer
    x = 644,209.97

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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.