Home / 1,100,462.58-1,518,653.86-664,819.35

Finding the Fourth Proportional to 1,100,462.58, 1,518,653.86 and 664,819.35

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Solution

The fourth proportional to 1,100,462.58, 1,518,653.86 and 664,819.35 is: 917,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,462.58 : 1,518,653.86 = 664,819.35 : x
  2. Step 2: Convert to fraction form
    1,100,462.58/1,518,653.86 = 664,819.35/x
  3. Step 3: Cross multiply
    1,100,462.58x = 1,518,653.86 × 664,819.35
  4. Step 4: Simplify right side
    1,100,462.58x = 1,009,630,472,080.19
  5. Step 5: Solve for x
    x = 1,009,630,472,080.19/1,100,462.58
  6. Step 6: Final answer
    x = 917,460.07

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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.