Home / 1,780,500.24-2,668,884.12-657,853.20

Finding the Fourth Proportional to 1,780,500.24, 2,668,884.12 and 657,853.20

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Solution

The fourth proportional to 1,780,500.24, 2,668,884.12 and 657,853.20 is: 986,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,500.24 : 2,668,884.12 = 657,853.20 : x
  2. Step 2: Convert to fraction form
    1,780,500.24/2,668,884.12 = 657,853.20/x
  3. Step 3: Cross multiply
    1,780,500.24x = 2,668,884.12 × 657,853.20
  4. Step 4: Simplify right side
    1,780,500.24x = 1,755,733,958,771.18
  5. Step 5: Solve for x
    x = 1,755,733,958,771.18/1,780,500.24
  6. Step 6: Final answer
    x = 986,090.27

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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.