Home / 1,400,108-2,100,162-402,836

Finding the Fourth Proportional to 1,400,108, 2,100,162 and 402,836

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Solution

The fourth proportional to 1,400,108, 2,100,162 and 402,836 is: 604,254

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,108 : 2,100,162 = 402,836 : x
  2. Step 2: Convert to fraction form
    1,400,108/2,100,162 = 402,836/x
  3. Step 3: Cross multiply
    1,400,108x = 2,100,162 × 402,836
  4. Step 4: Simplify right side
    1,400,108x = 846,020,859,432
  5. Step 5: Solve for x
    x = 846,020,859,432/1,400,108
  6. Step 6: Final answer
    x = 604,254

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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.