Home / 1,679,138.90-2,518,708.35-968,801.30

Finding the Fourth Proportional to 1,679,138.90, 2,518,708.35 and 968,801.30

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Solution

The fourth proportional to 1,679,138.90, 2,518,708.35 and 968,801.30 is: 1,453,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,138.90 : 2,518,708.35 = 968,801.30 : x
  2. Step 2: Convert to fraction form
    1,679,138.90/2,518,708.35 = 968,801.30/x
  3. Step 3: Cross multiply
    1,679,138.90x = 2,518,708.35 × 968,801.30
  4. Step 4: Simplify right side
    1,679,138.90x = 2,440,127,923,800.86
  5. Step 5: Solve for x
    x = 2,440,127,923,800.86/1,679,138.90
  6. Step 6: Final answer
    x = 1,453,201.95

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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.