Home / 1,480,145.31-2,042,600.49-801,081.81

Finding the Fourth Proportional to 1,480,145.31, 2,042,600.49 and 801,081.81

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Solution

The fourth proportional to 1,480,145.31, 2,042,600.49 and 801,081.81 is: 1,105,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,145.31 : 2,042,600.49 = 801,081.81 : x
  2. Step 2: Convert to fraction form
    1,480,145.31/2,042,600.49 = 801,081.81/x
  3. Step 3: Cross multiply
    1,480,145.31x = 2,042,600.49 × 801,081.81
  4. Step 4: Simplify right side
    1,480,145.31x = 1,636,290,097,636.09
  5. Step 5: Solve for x
    x = 1,636,290,097,636.09/1,480,145.31
  6. Step 6: Final answer
    x = 1,105,492.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.