Home / 1,306,721.56-1,960,156.16-465,273.31

Finding the Fourth Proportional to 1,306,721.56, 1,960,156.16 and 465,273.31

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Solution

The fourth proportional to 1,306,721.56, 1,960,156.16 and 465,273.31 is: 697,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,721.56 : 1,960,156.16 = 465,273.31 : x
  2. Step 2: Convert to fraction form
    1,306,721.56/1,960,156.16 = 465,273.31/x
  3. Step 3: Cross multiply
    1,306,721.56x = 1,960,156.16 × 465,273.31
  4. Step 4: Simplify right side
    1,306,721.56x = 912,008,344,680.09
  5. Step 5: Solve for x
    x = 912,008,344,680.09/1,306,721.56
  6. Step 6: Final answer
    x = 697,936.25

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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.