Home / 1,119,614.70-1,679,422.05-320,849.40

Finding the Fourth Proportional to 1,119,614.70, 1,679,422.05 and 320,849.40

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Solution

The fourth proportional to 1,119,614.70, 1,679,422.05 and 320,849.40 is: 481,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,614.70 : 1,679,422.05 = 320,849.40 : x
  2. Step 2: Convert to fraction form
    1,119,614.70/1,679,422.05 = 320,849.40/x
  3. Step 3: Cross multiply
    1,119,614.70x = 1,679,422.05 × 320,849.40
  4. Step 4: Simplify right side
    1,119,614.70x = 538,841,557,089.27
  5. Step 5: Solve for x
    x = 538,841,557,089.27/1,119,614.70
  6. Step 6: Final answer
    x = 481,274.10

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Similar ratio
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1.5x scale

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.