Home / 1,345,456.85-1,857,180.38-801,763.19

Finding the Fourth Proportional to 1,345,456.85, 1,857,180.38 and 801,763.19

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Solution

The fourth proportional to 1,345,456.85, 1,857,180.38 and 801,763.19 is: 1,106,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,456.85 : 1,857,180.38 = 801,763.19 : x
  2. Step 2: Convert to fraction form
    1,345,456.85/1,857,180.38 = 801,763.19/x
  3. Step 3: Cross multiply
    1,345,456.85x = 1,857,180.38 × 801,763.19
  4. Step 4: Simplify right side
    1,345,456.85x = 1,489,018,865,874.21
  5. Step 5: Solve for x
    x = 1,489,018,865,874.21/1,345,456.85
  6. Step 6: Final answer
    x = 1,106,701.32

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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.