Home / 1,343,062.72-2,013,327.54-668,506.26

Finding the Fourth Proportional to 1,343,062.72, 2,013,327.54 and 668,506.26

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Solution

The fourth proportional to 1,343,062.72, 2,013,327.54 and 668,506.26 is: 1,002,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,062.72 : 2,013,327.54 = 668,506.26 : x
  2. Step 2: Convert to fraction form
    1,343,062.72/2,013,327.54 = 668,506.26/x
  3. Step 3: Cross multiply
    1,343,062.72x = 2,013,327.54 × 668,506.26
  4. Step 4: Simplify right side
    1,343,062.72x = 1,345,922,063,920.40
  5. Step 5: Solve for x
    x = 1,345,922,063,920.40/1,343,062.72
  6. Step 6: Final answer
    x = 1,002,128.97

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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.