Home / 981,776.58-1,472,492.07-262,127.22

Finding the Fourth Proportional to 981,776.58, 1,472,492.07 and 262,127.22

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Solution

The fourth proportional to 981,776.58, 1,472,492.07 and 262,127.22 is: 393,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,776.58 : 1,472,492.07 = 262,127.22 : x
  2. Step 2: Convert to fraction form
    981,776.58/1,472,492.07 = 262,127.22/x
  3. Step 3: Cross multiply
    981,776.58x = 1,472,492.07 × 262,127.22
  4. Step 4: Simplify right side
    981,776.58x = 385,980,252,781.15
  5. Step 5: Solve for x
    x = 385,980,252,781.15/981,776.58
  6. Step 6: Final answer
    x = 393,144.69

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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.