Home / 1,480,256.78-2,220,465.92-469,305.62

Finding the Fourth Proportional to 1,480,256.78, 2,220,465.92 and 469,305.62

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Solution

The fourth proportional to 1,480,256.78, 2,220,465.92 and 469,305.62 is: 703,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,256.78 : 2,220,465.92 = 469,305.62 : x
  2. Step 2: Convert to fraction form
    1,480,256.78/2,220,465.92 = 469,305.62/x
  3. Step 3: Cross multiply
    1,480,256.78x = 2,220,465.92 × 469,305.62
  4. Step 4: Simplify right side
    1,480,256.78x = 1,042,077,141,998.90
  5. Step 5: Solve for x
    x = 1,042,077,141,998.90/1,480,256.78
  6. Step 6: Final answer
    x = 703,984.03

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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.