Home / 1,026,006.69-1,415,694.30-643,861.23

Finding the Fourth Proportional to 1,026,006.69, 1,415,694.30 and 643,861.23

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Solution

The fourth proportional to 1,026,006.69, 1,415,694.30 and 643,861.23 is: 888,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,006.69 : 1,415,694.30 = 643,861.23 : x
  2. Step 2: Convert to fraction form
    1,026,006.69/1,415,694.30 = 643,861.23/x
  3. Step 3: Cross multiply
    1,026,006.69x = 1,415,694.30 × 643,861.23
  4. Step 4: Simplify right side
    1,026,006.69x = 911,510,673,301.99
  5. Step 5: Solve for x
    x = 911,510,673,301.99/1,026,006.69
  6. Step 6: Final answer
    x = 888,406.17

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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.