Home / 1,401,256.81-2,102,180.42-454,553.61

Finding the Fourth Proportional to 1,401,256.81, 2,102,180.42 and 454,553.61

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Solution

The fourth proportional to 1,401,256.81, 2,102,180.42 and 454,553.61 is: 681,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,256.81 : 2,102,180.42 = 454,553.61 : x
  2. Step 2: Convert to fraction form
    1,401,256.81/2,102,180.42 = 454,553.61/x
  3. Step 3: Cross multiply
    1,401,256.81x = 2,102,180.42 × 454,553.61
  4. Step 4: Simplify right side
    1,401,256.81x = 955,553,698,782.32
  5. Step 5: Solve for x
    x = 955,553,698,782.32/1,401,256.81
  6. Step 6: Final answer
    x = 681,926.18

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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.