Home / 1,376,010.70-2,062,266.45-664,506.70

Finding the Fourth Proportional to 1,376,010.70, 2,062,266.45 and 664,506.70

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Solution

The fourth proportional to 1,376,010.70, 2,062,266.45 and 664,506.70 is: 995,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,010.70 : 2,062,266.45 = 664,506.70 : x
  2. Step 2: Convert to fraction form
    1,376,010.70/2,062,266.45 = 664,506.70/x
  3. Step 3: Cross multiply
    1,376,010.70x = 2,062,266.45 × 664,506.70
  4. Step 4: Simplify right side
    1,376,010.70x = 1,370,389,873,210.21
  5. Step 5: Solve for x
    x = 1,370,389,873,210.21/1,376,010.70
  6. Step 6: Final answer
    x = 995,915.13

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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.