Home / 1,308,792.90-1,964,239.24-677,887.14

Finding the Fourth Proportional to 1,308,792.90, 1,964,239.24 and 677,887.14

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Solution

The fourth proportional to 1,308,792.90, 1,964,239.24 and 677,887.14 is: 1,017,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,792.90 : 1,964,239.24 = 677,887.14 : x
  2. Step 2: Convert to fraction form
    1,308,792.90/1,964,239.24 = 677,887.14/x
  3. Step 3: Cross multiply
    1,308,792.90x = 1,964,239.24 × 677,887.14
  4. Step 4: Simplify right side
    1,308,792.90x = 1,331,532,520,679.37
  5. Step 5: Solve for x
    x = 1,331,532,520,679.37/1,308,792.90
  6. Step 6: Final answer
    x = 1,017,374.50

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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.