Home / 1,008,907.72-1,513,360.86-378,118.60

Finding the Fourth Proportional to 1,008,907.72, 1,513,360.86 and 378,118.60

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Solution

The fourth proportional to 1,008,907.72, 1,513,360.86 and 378,118.60 is: 567,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907.72 : 1,513,360.86 = 378,118.60 : x
  2. Step 2: Convert to fraction form
    1,008,907.72/1,513,360.86 = 378,118.60/x
  3. Step 3: Cross multiply
    1,008,907.72x = 1,513,360.86 × 378,118.60
  4. Step 4: Simplify right side
    1,008,907.72x = 572,229,889,678.00
  5. Step 5: Solve for x
    x = 572,229,889,678.00/1,008,907.72
  6. Step 6: Final answer
    x = 567,177.63

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Similar ratio
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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.