Home / 1,072,643.70-1,608,944.85-432,930.54

Finding the Fourth Proportional to 1,072,643.70, 1,608,944.85 and 432,930.54

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Solution

The fourth proportional to 1,072,643.70, 1,608,944.85 and 432,930.54 is: 649,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,643.70 : 1,608,944.85 = 432,930.54 : x
  2. Step 2: Convert to fraction form
    1,072,643.70/1,608,944.85 = 432,930.54/x
  3. Step 3: Cross multiply
    1,072,643.70x = 1,608,944.85 × 432,930.54
  4. Step 4: Simplify right side
    1,072,643.70x = 696,561,362,740.72
  5. Step 5: Solve for x
    x = 696,561,362,740.72/1,072,643.70
  6. Step 6: Final answer
    x = 649,387.46

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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.