Home / 1,265,865.96-1,898,797.02-379,401.96

Finding the Fourth Proportional to 1,265,865.96, 1,898,797.02 and 379,401.96

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Solution

The fourth proportional to 1,265,865.96, 1,898,797.02 and 379,401.96 is: 569,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,865.96 : 1,898,797.02 = 379,401.96 : x
  2. Step 2: Convert to fraction form
    1,265,865.96/1,898,797.02 = 379,401.96/x
  3. Step 3: Cross multiply
    1,265,865.96x = 1,898,797.02 × 379,401.96
  4. Step 4: Simplify right side
    1,265,865.96x = 720,407,311,030.16
  5. Step 5: Solve for x
    x = 720,407,311,030.16/1,265,865.96
  6. Step 6: Final answer
    x = 569,102.36

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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.