Home / 999,710.73-1,500,162.26-400,803.21

Finding the Fourth Proportional to 999,710.73, 1,500,162.26 and 400,803.21

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Solution

The fourth proportional to 999,710.73, 1,500,162.26 and 400,803.21 is: 601,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,710.73 : 1,500,162.26 = 400,803.21 : x
  2. Step 2: Convert to fraction form
    999,710.73/1,500,162.26 = 400,803.21/x
  3. Step 3: Cross multiply
    999,710.73x = 1,500,162.26 × 400,803.21
  4. Step 4: Simplify right side
    999,710.73x = 601,269,847,324.84
  5. Step 5: Solve for x
    x = 601,269,847,324.84/999,710.73
  6. Step 6: Final answer
    x = 601,443.83

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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.