Home / 1,145,942.60-1,717,658.40-576,415.40

Finding the Fourth Proportional to 1,145,942.60, 1,717,658.40 and 576,415.40

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Solution

The fourth proportional to 1,145,942.60, 1,717,658.40 and 576,415.40 is: 863,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,942.60 : 1,717,658.40 = 576,415.40 : x
  2. Step 2: Convert to fraction form
    1,145,942.60/1,717,658.40 = 576,415.40/x
  3. Step 3: Cross multiply
    1,145,942.60x = 1,717,658.40 × 576,415.40
  4. Step 4: Simplify right side
    1,145,942.60x = 990,084,753,699.36
  5. Step 5: Solve for x
    x = 990,084,753,699.36/1,145,942.60
  6. Step 6: Final answer
    x = 863,991.58

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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.