Home / 1,215,882.54-1,678,004.79-672,006.63

Finding the Fourth Proportional to 1,215,882.54, 1,678,004.79 and 672,006.63

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Solution

The fourth proportional to 1,215,882.54, 1,678,004.79 and 672,006.63 is: 927,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,882.54 : 1,678,004.79 = 672,006.63 : x
  2. Step 2: Convert to fraction form
    1,215,882.54/1,678,004.79 = 672,006.63/x
  3. Step 3: Cross multiply
    1,215,882.54x = 1,678,004.79 × 672,006.63
  4. Step 4: Simplify right side
    1,215,882.54x = 1,127,630,344,051.76
  5. Step 5: Solve for x
    x = 1,127,630,344,051.76/1,215,882.54
  6. Step 6: Final answer
    x = 927,417.17

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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.