Home / 1,336,503.20-2,004,754.80-858,206.30

Finding the Fourth Proportional to 1,336,503.20, 2,004,754.80 and 858,206.30

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Solution

The fourth proportional to 1,336,503.20, 2,004,754.80 and 858,206.30 is: 1,287,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,503.20 : 2,004,754.80 = 858,206.30 : x
  2. Step 2: Convert to fraction form
    1,336,503.20/2,004,754.80 = 858,206.30/x
  3. Step 3: Cross multiply
    1,336,503.20x = 2,004,754.80 × 858,206.30
  4. Step 4: Simplify right side
    1,336,503.20x = 1,720,493,199,315.24
  5. Step 5: Solve for x
    x = 1,720,493,199,315.24/1,336,503.20
  6. Step 6: Final answer
    x = 1,287,309.45

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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.