Home / 1,497,037.80-2,245,848.30-644,107.80

Finding the Fourth Proportional to 1,497,037.80, 2,245,848.30 and 644,107.80

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Solution

The fourth proportional to 1,497,037.80, 2,245,848.30 and 644,107.80 is: 966,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,037.80 : 2,245,848.30 = 644,107.80 : x
  2. Step 2: Convert to fraction form
    1,497,037.80/2,245,848.30 = 644,107.80/x
  3. Step 3: Cross multiply
    1,497,037.80x = 2,245,848.30 × 644,107.80
  4. Step 4: Simplify right side
    1,497,037.80x = 1,446,568,407,646.74
  5. Step 5: Solve for x
    x = 1,446,568,407,646.74/1,497,037.80
  6. Step 6: Final answer
    x = 966,287.16

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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.