Home / 1,018,238.23-1,525,031.83-486,134.65

Finding the Fourth Proportional to 1,018,238.23, 1,525,031.83 and 486,134.65

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Solution

The fourth proportional to 1,018,238.23, 1,525,031.83 and 486,134.65 is: 728,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,238.23 : 1,525,031.83 = 486,134.65 : x
  2. Step 2: Convert to fraction form
    1,018,238.23/1,525,031.83 = 486,134.65/x
  3. Step 3: Cross multiply
    1,018,238.23x = 1,525,031.83 × 486,134.65
  4. Step 4: Simplify right side
    1,018,238.23x = 741,370,814,915.91
  5. Step 5: Solve for x
    x = 741,370,814,915.91/1,018,238.23
  6. Step 6: Final answer
    x = 728,091.71

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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.