Home / 1,401,871.60-2,102,807.40-455,273.20

Finding the Fourth Proportional to 1,401,871.60, 2,102,807.40 and 455,273.20

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Solution

The fourth proportional to 1,401,871.60, 2,102,807.40 and 455,273.20 is: 682,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,871.60 : 2,102,807.40 = 455,273.20 : x
  2. Step 2: Convert to fraction form
    1,401,871.60/2,102,807.40 = 455,273.20/x
  3. Step 3: Cross multiply
    1,401,871.60x = 2,102,807.40 × 455,273.20
  4. Step 4: Simplify right side
    1,401,871.60x = 957,351,853,981.68
  5. Step 5: Solve for x
    x = 957,351,853,981.68/1,401,871.60
  6. Step 6: Final answer
    x = 682,909.80

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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.