Home / 1,406,005.25-2,109,367.52-408,733.25

Finding the Fourth Proportional to 1,406,005.25, 2,109,367.52 and 408,733.25

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Solution

The fourth proportional to 1,406,005.25, 2,109,367.52 and 408,733.25 is: 613,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,005.25 : 2,109,367.52 = 408,733.25 : x
  2. Step 2: Convert to fraction form
    1,406,005.25/2,109,367.52 = 408,733.25/x
  3. Step 3: Cross multiply
    1,406,005.25x = 2,109,367.52 × 408,733.25
  4. Step 4: Simplify right side
    1,406,005.25x = 862,168,639,850.37
  5. Step 5: Solve for x
    x = 862,168,639,850.37/1,406,005.25
  6. Step 6: Final answer
    x = 613,204.42

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1.5x scale

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.