Home / 1,729,587.60-2,597,005.80-1,330,678.80

Finding the Fourth Proportional to 1,729,587.60, 2,597,005.80 and 1,330,678.80

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Solution

The fourth proportional to 1,729,587.60, 2,597,005.80 and 1,330,678.80 is: 1,998,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,587.60 : 2,597,005.80 = 1,330,678.80 : x
  2. Step 2: Convert to fraction form
    1,729,587.60/2,597,005.80 = 1,330,678.80/x
  3. Step 3: Cross multiply
    1,729,587.60x = 2,597,005.80 × 1,330,678.80
  4. Step 4: Simplify right side
    1,729,587.60x = 3,455,780,561,537.04
  5. Step 5: Solve for x
    x = 3,455,780,561,537.04/1,729,587.60
  6. Step 6: Final answer
    x = 1,998,037.31

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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.