Home / 1,343,126.16-1,853,582.32-762,390.16

Finding the Fourth Proportional to 1,343,126.16, 1,853,582.32 and 762,390.16

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Solution

The fourth proportional to 1,343,126.16, 1,853,582.32 and 762,390.16 is: 1,052,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,126.16 : 1,853,582.32 = 762,390.16 : x
  2. Step 2: Convert to fraction form
    1,343,126.16/1,853,582.32 = 762,390.16/x
  3. Step 3: Cross multiply
    1,343,126.16x = 1,853,582.32 × 762,390.16
  4. Step 4: Simplify right side
    1,343,126.16x = 1,413,152,921,517.97
  5. Step 5: Solve for x
    x = 1,413,152,921,517.97/1,343,126.16
  6. Step 6: Final answer
    x = 1,052,137.14

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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.