Home / 1,049,742.52-1,448,145.75-619,734.58

Finding the Fourth Proportional to 1,049,742.52, 1,448,145.75 and 619,734.58

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Solution

The fourth proportional to 1,049,742.52, 1,448,145.75 and 619,734.58 is: 854,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,742.52 : 1,448,145.75 = 619,734.58 : x
  2. Step 2: Convert to fraction form
    1,049,742.52/1,448,145.75 = 619,734.58/x
  3. Step 3: Cross multiply
    1,049,742.52x = 1,448,145.75 × 619,734.58
  4. Step 4: Simplify right side
    1,049,742.52x = 897,465,998,155.04
  5. Step 5: Solve for x
    x = 897,465,998,155.04/1,049,742.52
  6. Step 6: Final answer
    x = 854,939.17

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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.