Home / 1,020,981.78-1,531,472.58-273,008.34

Finding the Fourth Proportional to 1,020,981.78, 1,531,472.58 and 273,008.34

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Solution

The fourth proportional to 1,020,981.78, 1,531,472.58 and 273,008.34 is: 409,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,981.78 : 1,531,472.58 = 273,008.34 : x
  2. Step 2: Convert to fraction form
    1,020,981.78/1,531,472.58 = 273,008.34/x
  3. Step 3: Cross multiply
    1,020,981.78x = 1,531,472.58 × 273,008.34
  4. Step 4: Simplify right side
    1,020,981.78x = 418,104,786,821.32
  5. Step 5: Solve for x
    x = 418,104,786,821.32/1,020,981.78
  6. Step 6: Final answer
    x = 409,512.49

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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.