Home / 1,311,564.72-1,967,417.28-413,076.48

Finding the Fourth Proportional to 1,311,564.72, 1,967,417.28 and 413,076.48

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Solution

The fourth proportional to 1,311,564.72, 1,967,417.28 and 413,076.48 is: 619,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,564.72 : 1,967,417.28 = 413,076.48 : x
  2. Step 2: Convert to fraction form
    1,311,564.72/1,967,417.28 = 413,076.48/x
  3. Step 3: Cross multiply
    1,311,564.72x = 1,967,417.28 × 413,076.48
  4. Step 4: Simplify right side
    1,311,564.72x = 812,693,804,713.57
  5. Step 5: Solve for x
    x = 812,693,804,713.57/1,311,564.72
  6. Step 6: Final answer
    x = 619,636.83

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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.