Home / 1,279,360.55-1,919,966.78-500,488.27

Finding the Fourth Proportional to 1,279,360.55, 1,919,966.78 and 500,488.27

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Solution

The fourth proportional to 1,279,360.55, 1,919,966.78 and 500,488.27 is: 751,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,360.55 : 1,919,966.78 = 500,488.27 : x
  2. Step 2: Convert to fraction form
    1,279,360.55/1,919,966.78 = 500,488.27/x
  3. Step 3: Cross multiply
    1,279,360.55x = 1,919,966.78 × 500,488.27
  4. Step 4: Simplify right side
    1,279,360.55x = 960,920,848,630.97
  5. Step 5: Solve for x
    x = 960,920,848,630.97/1,279,360.55
  6. Step 6: Final answer
    x = 751,094.64

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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.