Home / 1,306,717.31-1,960,149.78-465,269.06

Finding the Fourth Proportional to 1,306,717.31, 1,960,149.78 and 465,269.06

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Solution

The fourth proportional to 1,306,717.31, 1,960,149.78 and 465,269.06 is: 697,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,717.31 : 1,960,149.78 = 465,269.06 : x
  2. Step 2: Convert to fraction form
    1,306,717.31/1,960,149.78 = 465,269.06/x
  3. Step 3: Cross multiply
    1,306,717.31x = 1,960,149.78 × 465,269.06
  4. Step 4: Simplify right side
    1,306,717.31x = 911,997,050,500.18
  5. Step 5: Solve for x
    x = 911,997,050,500.18/1,306,717.31
  6. Step 6: Final answer
    x = 697,929.87

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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.