Home / 1,403,742.60-2,105,614.26-393,013.46

Finding the Fourth Proportional to 1,403,742.60, 2,105,614.26 and 393,013.46

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Solution

The fourth proportional to 1,403,742.60, 2,105,614.26 and 393,013.46 is: 589,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,742.60 : 2,105,614.26 = 393,013.46 : x
  2. Step 2: Convert to fraction form
    1,403,742.60/2,105,614.26 = 393,013.46/x
  3. Step 3: Cross multiply
    1,403,742.60x = 2,105,614.26 × 393,013.46
  4. Step 4: Simplify right side
    1,403,742.60x = 827,534,745,747.94
  5. Step 5: Solve for x
    x = 827,534,745,747.94/1,403,742.60
  6. Step 6: Final answer
    x = 589,520.29

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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.