Home / 1,358,146.90-2,037,220.72-505,107.10

Finding the Fourth Proportional to 1,358,146.90, 2,037,220.72 and 505,107.10

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Solution

The fourth proportional to 1,358,146.90, 2,037,220.72 and 505,107.10 is: 757,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,146.90 : 2,037,220.72 = 505,107.10 : x
  2. Step 2: Convert to fraction form
    1,358,146.90/2,037,220.72 = 505,107.10/x
  3. Step 3: Cross multiply
    1,358,146.90x = 2,037,220.72 × 505,107.10
  4. Step 4: Simplify right side
    1,358,146.90x = 1,029,014,649,939.11
  5. Step 5: Solve for x
    x = 1,029,014,649,939.11/1,358,146.90
  6. Step 6: Final answer
    x = 757,660.79

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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.