Home / 1,306,815.76-1,959,469.29-507,162.70

Finding the Fourth Proportional to 1,306,815.76, 1,959,469.29 and 507,162.70

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Solution

The fourth proportional to 1,306,815.76, 1,959,469.29 and 507,162.70 is: 760,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,815.76 : 1,959,469.29 = 507,162.70 : x
  2. Step 2: Convert to fraction form
    1,306,815.76/1,959,469.29 = 507,162.70/x
  3. Step 3: Cross multiply
    1,306,815.76x = 1,959,469.29 × 507,162.70
  4. Step 4: Simplify right side
    1,306,815.76x = 993,769,735,683.48
  5. Step 5: Solve for x
    x = 993,769,735,683.48/1,306,815.76
  6. Step 6: Final answer
    x = 760,451.29

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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.