Home / 1,337,035.10-2,005,337.45-390,183.90

Finding the Fourth Proportional to 1,337,035.10, 2,005,337.45 and 390,183.90

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Solution

The fourth proportional to 1,337,035.10, 2,005,337.45 and 390,183.90 is: 585,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,035.10 : 2,005,337.45 = 390,183.90 : x
  2. Step 2: Convert to fraction form
    1,337,035.10/2,005,337.45 = 390,183.90/x
  3. Step 3: Cross multiply
    1,337,035.10x = 2,005,337.45 × 390,183.90
  4. Step 4: Simplify right side
    1,337,035.10x = 782,450,387,057.06
  5. Step 5: Solve for x
    x = 782,450,387,057.06/1,337,035.10
  6. Step 6: Final answer
    x = 585,213.05

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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.