Home / 1,265,876.28-1,898,814.36-379,412.28

Finding the Fourth Proportional to 1,265,876.28, 1,898,814.36 and 379,412.28

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Solution

The fourth proportional to 1,265,876.28, 1,898,814.36 and 379,412.28 is: 569,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,876.28 : 1,898,814.36 = 379,412.28 : x
  2. Step 2: Convert to fraction form
    1,265,876.28/1,898,814.36 = 379,412.28/x
  3. Step 3: Cross multiply
    1,265,876.28x = 1,898,814.36 × 379,412.28
  4. Step 4: Simplify right side
    1,265,876.28x = 720,433,485,624.34
  5. Step 5: Solve for x
    x = 720,433,485,624.34/1,265,876.28
  6. Step 6: Final answer
    x = 569,118.40

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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.