Home / 1,584,394.90-2,377,292.19-639,610.90

Finding the Fourth Proportional to 1,584,394.90, 2,377,292.19 and 639,610.90

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Solution

The fourth proportional to 1,584,394.90, 2,377,292.19 and 639,610.90 is: 959,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,394.90 : 2,377,292.19 = 639,610.90 : x
  2. Step 2: Convert to fraction form
    1,584,394.90/2,377,292.19 = 639,610.90/x
  3. Step 3: Cross multiply
    1,584,394.90x = 2,377,292.19 × 639,610.90
  4. Step 4: Simplify right side
    1,584,394.90x = 1,520,541,997,208.87
  5. Step 5: Solve for x
    x = 1,520,541,997,208.87/1,584,394.90
  6. Step 6: Final answer
    x = 959,698.87

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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.