Home / 1,109,808.54-1,531,536.66-770,473.62

Finding the Fourth Proportional to 1,109,808.54, 1,531,536.66 and 770,473.62

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Solution

The fourth proportional to 1,109,808.54, 1,531,536.66 and 770,473.62 is: 1,063,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,808.54 : 1,531,536.66 = 770,473.62 : x
  2. Step 2: Convert to fraction form
    1,109,808.54/1,531,536.66 = 770,473.62/x
  3. Step 3: Cross multiply
    1,109,808.54x = 1,531,536.66 × 770,473.62
  4. Step 4: Simplify right side
    1,109,808.54x = 1,180,008,594,592.91
  5. Step 5: Solve for x
    x = 1,180,008,594,592.91/1,109,808.54
  6. Step 6: Final answer
    x = 1,063,254.20

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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.