Home / 1,018,121.40-1,527,514.25-485,573.23

Finding the Fourth Proportional to 1,018,121.40, 1,527,514.25 and 485,573.23

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Solution

The fourth proportional to 1,018,121.40, 1,527,514.25 and 485,573.23 is: 728,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,121.40 : 1,527,514.25 = 485,573.23 : x
  2. Step 2: Convert to fraction form
    1,018,121.40/1,527,514.25 = 485,573.23/x
  3. Step 3: Cross multiply
    1,018,121.40x = 1,527,514.25 × 485,573.23
  4. Step 4: Simplify right side
    1,018,121.40x = 741,720,030,456.40
  5. Step 5: Solve for x
    x = 741,720,030,456.40/1,018,121.40
  6. Step 6: Final answer
    x = 728,518.26

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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.