Home / 1,169,116.50-1,748,608.59-688,198.44

Finding the Fourth Proportional to 1,169,116.50, 1,748,608.59 and 688,198.44

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Solution

The fourth proportional to 1,169,116.50, 1,748,608.59 and 688,198.44 is: 1,029,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,116.50 : 1,748,608.59 = 688,198.44 : x
  2. Step 2: Convert to fraction form
    1,169,116.50/1,748,608.59 = 688,198.44/x
  3. Step 3: Cross multiply
    1,169,116.50x = 1,748,608.59 × 688,198.44
  4. Step 4: Simplify right side
    1,169,116.50x = 1,203,389,703,808.60
  5. Step 5: Solve for x
    x = 1,203,389,703,808.60/1,169,116.50
  6. Step 6: Final answer
    x = 1,029,315.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.