Home / 1,070,412.69-1,605,624.39-271,694.48

Finding the Fourth Proportional to 1,070,412.69, 1,605,624.39 and 271,694.48

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Solution

The fourth proportional to 1,070,412.69, 1,605,624.39 and 271,694.48 is: 407,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,412.69 : 1,605,624.39 = 271,694.48 : x
  2. Step 2: Convert to fraction form
    1,070,412.69/1,605,624.39 = 271,694.48/x
  3. Step 3: Cross multiply
    1,070,412.69x = 1,605,624.39 × 271,694.48
  4. Step 4: Simplify right side
    1,070,412.69x = 436,239,275,688.25
  5. Step 5: Solve for x
    x = 436,239,275,688.25/1,070,412.69
  6. Step 6: Final answer
    x = 407,543.07

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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.