Home / 1,200,036.97-1,800,057.20-490,065.01

Finding the Fourth Proportional to 1,200,036.97, 1,800,057.20 and 490,065.01

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Solution

The fourth proportional to 1,200,036.97, 1,800,057.20 and 490,065.01 is: 735,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,036.97 : 1,800,057.20 = 490,065.01 : x
  2. Step 2: Convert to fraction form
    1,200,036.97/1,800,057.20 = 490,065.01/x
  3. Step 3: Cross multiply
    1,200,036.97x = 1,800,057.20 × 490,065.01
  4. Step 4: Simplify right side
    1,200,036.97x = 882,145,051,965.69
  5. Step 5: Solve for x
    x = 882,145,051,965.69/1,200,036.97
  6. Step 6: Final answer
    x = 735,098.23

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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.