Home / 948,020.80-1,422,031.20-885,812.80

Finding the Fourth Proportional to 948,020.80, 1,422,031.20 and 885,812.80

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Solution

The fourth proportional to 948,020.80, 1,422,031.20 and 885,812.80 is: 1,328,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,020.80 : 1,422,031.20 = 885,812.80 : x
  2. Step 2: Convert to fraction form
    948,020.80/1,422,031.20 = 885,812.80/x
  3. Step 3: Cross multiply
    948,020.80x = 1,422,031.20 × 885,812.80
  4. Step 4: Simplify right side
    948,020.80x = 1,259,653,438,959.36
  5. Step 5: Solve for x
    x = 1,259,653,438,959.36/948,020.80
  6. Step 6: Final answer
    x = 1,328,719.20

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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.