Home / 1,345,514.92-1,857,079.62-772,947.88

Finding the Fourth Proportional to 1,345,514.92, 1,857,079.62 and 772,947.88

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Solution

The fourth proportional to 1,345,514.92, 1,857,079.62 and 772,947.88 is: 1,066,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,514.92 : 1,857,079.62 = 772,947.88 : x
  2. Step 2: Convert to fraction form
    1,345,514.92/1,857,079.62 = 772,947.88/x
  3. Step 3: Cross multiply
    1,345,514.92x = 1,857,079.62 × 772,947.88
  4. Step 4: Simplify right side
    1,345,514.92x = 1,435,425,755,270.21
  5. Step 5: Solve for x
    x = 1,435,425,755,270.21/1,345,514.92
  6. Step 6: Final answer
    x = 1,066,822.62

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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.