Home / 1,839,288.76-2,759,071.10-491,421.20

Finding the Fourth Proportional to 1,839,288.76, 2,759,071.10 and 491,421.20

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Solution

The fourth proportional to 1,839,288.76, 2,759,071.10 and 491,421.20 is: 737,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,288.76 : 2,759,071.10 = 491,421.20 : x
  2. Step 2: Convert to fraction form
    1,839,288.76/2,759,071.10 = 491,421.20/x
  3. Step 3: Cross multiply
    1,839,288.76x = 2,759,071.10 × 491,421.20
  4. Step 4: Simplify right side
    1,839,288.76x = 1,355,866,030,847.32
  5. Step 5: Solve for x
    x = 1,355,866,030,847.32/1,839,288.76
  6. Step 6: Final answer
    x = 737,168.66

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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.