Home / 1,016,820.78-1,525,224.54-258,655.74

Finding the Fourth Proportional to 1,016,820.78, 1,525,224.54 and 258,655.74

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Solution

The fourth proportional to 1,016,820.78, 1,525,224.54 and 258,655.74 is: 387,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,820.78 : 1,525,224.54 = 258,655.74 : x
  2. Step 2: Convert to fraction form
    1,016,820.78/1,525,224.54 = 258,655.74/x
  3. Step 3: Cross multiply
    1,016,820.78x = 1,525,224.54 × 258,655.74
  4. Step 4: Simplify right side
    1,016,820.78x = 394,508,082,059.86
  5. Step 5: Solve for x
    x = 394,508,082,059.86/1,016,820.78
  6. Step 6: Final answer
    x = 387,981.92

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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.