Home / 1,260,962.67-1,740,110.54-687,991.35

Finding the Fourth Proportional to 1,260,962.67, 1,740,110.54 and 687,991.35

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Solution

The fourth proportional to 1,260,962.67, 1,740,110.54 and 687,991.35 is: 949,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,962.67 : 1,740,110.54 = 687,991.35 : x
  2. Step 2: Convert to fraction form
    1,260,962.67/1,740,110.54 = 687,991.35/x
  3. Step 3: Cross multiply
    1,260,962.67x = 1,740,110.54 × 687,991.35
  4. Step 4: Simplify right side
    1,260,962.67x = 1,197,180,996,123.87
  5. Step 5: Solve for x
    x = 1,197,180,996,123.87/1,260,962.67
  6. Step 6: Final answer
    x = 949,418.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.