Home / 1,215,882.08-1,678,004.14-672,006.16

Finding the Fourth Proportional to 1,215,882.08, 1,678,004.14 and 672,006.16

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Solution

The fourth proportional to 1,215,882.08, 1,678,004.14 and 672,006.16 is: 927,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,882.08 : 1,678,004.14 = 672,006.16 : x
  2. Step 2: Convert to fraction form
    1,215,882.08/1,678,004.14 = 672,006.16/x
  3. Step 3: Cross multiply
    1,215,882.08x = 1,678,004.14 × 672,006.16
  4. Step 4: Simplify right side
    1,215,882.08x = 1,127,629,112,710.48
  5. Step 5: Solve for x
    x = 1,127,629,112,710.48/1,215,882.08
  6. Step 6: Final answer
    x = 927,416.51

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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.