Home / 1,678,790.88-2,517,445.44-480,440.34

Finding the Fourth Proportional to 1,678,790.88, 2,517,445.44 and 480,440.34

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Solution

The fourth proportional to 1,678,790.88, 2,517,445.44 and 480,440.34 is: 720,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,790.88 : 2,517,445.44 = 480,440.34 : x
  2. Step 2: Convert to fraction form
    1,678,790.88/2,517,445.44 = 480,440.34/x
  3. Step 3: Cross multiply
    1,678,790.88x = 2,517,445.44 × 480,440.34
  4. Step 4: Simplify right side
    1,678,790.88x = 1,209,482,343,125.05
  5. Step 5: Solve for x
    x = 1,209,482,343,125.05/1,678,790.88
  6. Step 6: Final answer
    x = 720,448.48

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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.