Home / 1,352,968.68-1,867,110.50-816,321

Finding the Fourth Proportional to 1,352,968.68, 1,867,110.50 and 816,321

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Solution

The fourth proportional to 1,352,968.68, 1,867,110.50 and 816,321 is: 1,126,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,968.68 : 1,867,110.50 = 816,321 : x
  2. Step 2: Convert to fraction form
    1,352,968.68/1,867,110.50 = 816,321/x
  3. Step 3: Cross multiply
    1,352,968.68x = 1,867,110.50 × 816,321
  4. Step 4: Simplify right side
    1,352,968.68x = 1,524,161,510,470.50
  5. Step 5: Solve for x
    x = 1,524,161,510,470.50/1,352,968.68
  6. Step 6: Final answer
    x = 1,126,531.26

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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.