Home / 1,146,682.32-1,720,038.84-398,742.48

Finding the Fourth Proportional to 1,146,682.32, 1,720,038.84 and 398,742.48

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Solution

The fourth proportional to 1,146,682.32, 1,720,038.84 and 398,742.48 is: 598,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,682.32 : 1,720,038.84 = 398,742.48 : x
  2. Step 2: Convert to fraction form
    1,146,682.32/1,720,038.84 = 398,742.48/x
  3. Step 3: Cross multiply
    1,146,682.32x = 1,720,038.84 × 398,742.48
  4. Step 4: Simplify right side
    1,146,682.32x = 685,852,552,757.92
  5. Step 5: Solve for x
    x = 685,852,552,757.92/1,146,682.32
  6. Step 6: Final answer
    x = 598,119.06

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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.