Home / 1,618,846.68-2,428,279.80-720,077.16

Finding the Fourth Proportional to 1,618,846.68, 2,428,279.80 and 720,077.16

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Solution

The fourth proportional to 1,618,846.68, 2,428,279.80 and 720,077.16 is: 1,080,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,846.68 : 2,428,279.80 = 720,077.16 : x
  2. Step 2: Convert to fraction form
    1,618,846.68/2,428,279.80 = 720,077.16/x
  3. Step 3: Cross multiply
    1,618,846.68x = 2,428,279.80 × 720,077.16
  4. Step 4: Simplify right side
    1,618,846.68x = 1,748,548,822,069.37
  5. Step 5: Solve for x
    x = 1,748,548,822,069.37/1,618,846.68
  6. Step 6: Final answer
    x = 1,080,120.09

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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.