Home / 1,550,731.32-2,328,754.20-842,143.32

Finding the Fourth Proportional to 1,550,731.32, 2,328,754.20 and 842,143.32

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Solution

The fourth proportional to 1,550,731.32, 2,328,754.20 and 842,143.32 is: 1,264,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,731.32 : 2,328,754.20 = 842,143.32 : x
  2. Step 2: Convert to fraction form
    1,550,731.32/2,328,754.20 = 842,143.32/x
  3. Step 3: Cross multiply
    1,550,731.32x = 2,328,754.20 × 842,143.32
  4. Step 4: Simplify right side
    1,550,731.32x = 1,961,144,793,451.94
  5. Step 5: Solve for x
    x = 1,961,144,793,451.94/1,550,731.32
  6. Step 6: Final answer
    x = 1,264,658.02

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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.