Home / 1,419,329.28-2,128,206.24-472,182.96

Finding the Fourth Proportional to 1,419,329.28, 2,128,206.24 and 472,182.96

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Solution

The fourth proportional to 1,419,329.28, 2,128,206.24 and 472,182.96 is: 708,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,329.28 : 2,128,206.24 = 472,182.96 : x
  2. Step 2: Convert to fraction form
    1,419,329.28/2,128,206.24 = 472,182.96/x
  3. Step 3: Cross multiply
    1,419,329.28x = 2,128,206.24 × 472,182.96
  4. Step 4: Simplify right side
    1,419,329.28x = 1,004,902,721,893.67
  5. Step 5: Solve for x
    x = 1,004,902,721,893.67/1,419,329.28
  6. Step 6: Final answer
    x = 708,012.39

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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.