Home / 1,819,486.80-2,729,230.20-471,638.70

Finding the Fourth Proportional to 1,819,486.80, 2,729,230.20 and 471,638.70

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Solution

The fourth proportional to 1,819,486.80, 2,729,230.20 and 471,638.70 is: 707,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,486.80 : 2,729,230.20 = 471,638.70 : x
  2. Step 2: Convert to fraction form
    1,819,486.80/2,729,230.20 = 471,638.70/x
  3. Step 3: Cross multiply
    1,819,486.80x = 2,729,230.20 × 471,638.70
  4. Step 4: Simplify right side
    1,819,486.80x = 1,287,210,583,528.74
  5. Step 5: Solve for x
    x = 1,287,210,583,528.74/1,819,486.80
  6. Step 6: Final answer
    x = 707,458.05

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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.