Home / 1,005,978.78-1,509,154.47-332,107.02

Finding the Fourth Proportional to 1,005,978.78, 1,509,154.47 and 332,107.02

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Solution

The fourth proportional to 1,005,978.78, 1,509,154.47 and 332,107.02 is: 498,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,978.78 : 1,509,154.47 = 332,107.02 : x
  2. Step 2: Convert to fraction form
    1,005,978.78/1,509,154.47 = 332,107.02/x
  3. Step 3: Cross multiply
    1,005,978.78x = 1,509,154.47 × 332,107.02
  4. Step 4: Simplify right side
    1,005,978.78x = 501,200,793,751.38
  5. Step 5: Solve for x
    x = 501,200,793,751.38/1,005,978.78
  6. Step 6: Final answer
    x = 498,222.03

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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.