Home / 1,100,461.58-1,518,652.48-664,818.35

Finding the Fourth Proportional to 1,100,461.58, 1,518,652.48 and 664,818.35

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Solution

The fourth proportional to 1,100,461.58, 1,518,652.48 and 664,818.35 is: 917,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,461.58 : 1,518,652.48 = 664,818.35 : x
  2. Step 2: Convert to fraction form
    1,100,461.58/1,518,652.48 = 664,818.35/x
  3. Step 3: Cross multiply
    1,100,461.58x = 1,518,652.48 × 664,818.35
  4. Step 4: Simplify right side
    1,100,461.58x = 1,009,628,028,383.75
  5. Step 5: Solve for x
    x = 1,009,628,028,383.75/1,100,461.58
  6. Step 6: Final answer
    x = 917,458.68

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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.