Home / 1,401,671.42-2,099,453.28-921,357

Finding the Fourth Proportional to 1,401,671.42, 2,099,453.28 and 921,357

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Solution

The fourth proportional to 1,401,671.42, 2,099,453.28 and 921,357 is: 1,380,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,671.42 : 2,099,453.28 = 921,357 : x
  2. Step 2: Convert to fraction form
    1,401,671.42/2,099,453.28 = 921,357/x
  3. Step 3: Cross multiply
    1,401,671.42x = 2,099,453.28 × 921,357
  4. Step 4: Simplify right side
    1,401,671.42x = 1,934,345,975,700.96
  5. Step 5: Solve for x
    x = 1,934,345,975,700.96/1,401,671.42
  6. Step 6: Final answer
    x = 1,380,028.12

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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.