Home / 1,054,434.66-1,581,324.90-380,428.38

Finding the Fourth Proportional to 1,054,434.66, 1,581,324.90 and 380,428.38

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Solution

The fourth proportional to 1,054,434.66, 1,581,324.90 and 380,428.38 is: 570,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,434.66 : 1,581,324.90 = 380,428.38 : x
  2. Step 2: Convert to fraction form
    1,054,434.66/1,581,324.90 = 380,428.38/x
  3. Step 3: Cross multiply
    1,054,434.66x = 1,581,324.90 × 380,428.38
  4. Step 4: Simplify right side
    1,054,434.66x = 601,580,869,960.66
  5. Step 5: Solve for x
    x = 601,580,869,960.66/1,054,434.66
  6. Step 6: Final answer
    x = 570,524.56

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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.