Home / 1,447,715.38-1,997,849.56-803,135.56

Finding the Fourth Proportional to 1,447,715.38, 1,997,849.56 and 803,135.56

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Solution

The fourth proportional to 1,447,715.38, 1,997,849.56 and 803,135.56 is: 1,108,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,715.38 : 1,997,849.56 = 803,135.56 : x
  2. Step 2: Convert to fraction form
    1,447,715.38/1,997,849.56 = 803,135.56/x
  3. Step 3: Cross multiply
    1,447,715.38x = 1,997,849.56 × 803,135.56
  4. Step 4: Simplify right side
    1,447,715.38x = 1,604,544,025,166.35
  5. Step 5: Solve for x
    x = 1,604,544,025,166.35/1,447,715.38
  6. Step 6: Final answer
    x = 1,108,328.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.