Home / 1,072,648.70-1,608,952.34-432,935.54

Finding the Fourth Proportional to 1,072,648.70, 1,608,952.34 and 432,935.54

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Solution

The fourth proportional to 1,072,648.70, 1,608,952.34 and 432,935.54 is: 649,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,648.70 : 1,608,952.34 = 432,935.54 : x
  2. Step 2: Convert to fraction form
    1,072,648.70/1,608,952.34 = 432,935.54/x
  3. Step 3: Cross multiply
    1,072,648.70x = 1,608,952.34 × 432,935.54
  4. Step 4: Simplify right side
    1,072,648.70x = 696,572,650,152.16
  5. Step 5: Solve for x
    x = 696,572,650,152.16/1,072,648.70
  6. Step 6: Final answer
    x = 649,394.95

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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.