Home / 1,584,396.90-2,377,295.19-639,612.90

Finding the Fourth Proportional to 1,584,396.90, 2,377,295.19 and 639,612.90

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Solution

The fourth proportional to 1,584,396.90, 2,377,295.19 and 639,612.90 is: 959,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,396.90 : 2,377,295.19 = 639,612.90 : x
  2. Step 2: Convert to fraction form
    1,584,396.90/2,377,295.19 = 639,612.90/x
  3. Step 3: Cross multiply
    1,584,396.90x = 2,377,295.19 × 639,612.90
  4. Step 4: Simplify right side
    1,584,396.90x = 1,520,548,670,631.95
  5. Step 5: Solve for x
    x = 1,520,548,670,631.95/1,584,396.90
  6. Step 6: Final answer
    x = 959,701.87

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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.