Home / 1,403,311.79-2,105,283.68-443,825.51

Finding the Fourth Proportional to 1,403,311.79, 2,105,283.68 and 443,825.51

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Solution

The fourth proportional to 1,403,311.79, 2,105,283.68 and 443,825.51 is: 665,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,311.79 : 2,105,283.68 = 443,825.51 : x
  2. Step 2: Convert to fraction form
    1,403,311.79/2,105,283.68 = 443,825.51/x
  3. Step 3: Cross multiply
    1,403,311.79x = 2,105,283.68 × 443,825.51
  4. Step 4: Simplify right side
    1,403,311.79x = 934,378,601,943.38
  5. Step 5: Solve for x
    x = 934,378,601,943.38/1,403,311.79
  6. Step 6: Final answer
    x = 665,838.21

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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.