Home / 1,007,486.93-1,511,226.96-408,446.69

Finding the Fourth Proportional to 1,007,486.93, 1,511,226.96 and 408,446.69

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Solution

The fourth proportional to 1,007,486.93, 1,511,226.96 and 408,446.69 is: 612,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,486.93 : 1,511,226.96 = 408,446.69 : x
  2. Step 2: Convert to fraction form
    1,007,486.93/1,511,226.96 = 408,446.69/x
  3. Step 3: Cross multiply
    1,007,486.93x = 1,511,226.96 × 408,446.69
  4. Step 4: Simplify right side
    1,007,486.93x = 617,255,642,094.63
  5. Step 5: Solve for x
    x = 617,255,642,094.63/1,007,486.93
  6. Step 6: Final answer
    x = 612,668.64

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Double scale
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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.