Home / 1,205,130.83-1,808,570.01-447,080.42

Finding the Fourth Proportional to 1,205,130.83, 1,808,570.01 and 447,080.42

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Solution

The fourth proportional to 1,205,130.83, 1,808,570.01 and 447,080.42 is: 670,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,130.83 : 1,808,570.01 = 447,080.42 : x
  2. Step 2: Convert to fraction form
    1,205,130.83/1,808,570.01 = 447,080.42/x
  3. Step 3: Cross multiply
    1,205,130.83x = 1,808,570.01 × 447,080.42
  4. Step 4: Simplify right side
    1,205,130.83x = 808,576,230,627.35
  5. Step 5: Solve for x
    x = 808,576,230,627.35/1,205,130.83
  6. Step 6: Final answer
    x = 670,944.78

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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.