Home / 810,645.04-1,118,109.84-568,981.36

Finding the Fourth Proportional to 810,645.04, 1,118,109.84 and 568,981.36

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Solution

The fourth proportional to 810,645.04, 1,118,109.84 and 568,981.36 is: 784,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,645.04 : 1,118,109.84 = 568,981.36 : x
  2. Step 2: Convert to fraction form
    810,645.04/1,118,109.84 = 568,981.36/x
  3. Step 3: Cross multiply
    810,645.04x = 1,118,109.84 × 568,981.36
  4. Step 4: Simplify right side
    810,645.04x = 636,183,657,392.58
  5. Step 5: Solve for x
    x = 636,183,657,392.58/810,645.04
  6. Step 6: Final answer
    x = 784,786.96

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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.