Home / 1,234,612.80-1,852,052.04-392,967.72

Finding the Fourth Proportional to 1,234,612.80, 1,852,052.04 and 392,967.72

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Solution

The fourth proportional to 1,234,612.80, 1,852,052.04 and 392,967.72 is: 589,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,612.80 : 1,852,052.04 = 392,967.72 : x
  2. Step 2: Convert to fraction form
    1,234,612.80/1,852,052.04 = 392,967.72/x
  3. Step 3: Cross multiply
    1,234,612.80x = 1,852,052.04 × 392,967.72
  4. Step 4: Simplify right side
    1,234,612.80x = 727,796,667,480.15
  5. Step 5: Solve for x
    x = 727,796,667,480.15/1,234,612.80
  6. Step 6: Final answer
    x = 589,493.86

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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.