Home / 1,006,498.45-1,389,006.09-576,861.49

Finding the Fourth Proportional to 1,006,498.45, 1,389,006.09 and 576,861.49

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Solution

The fourth proportional to 1,006,498.45, 1,389,006.09 and 576,861.49 is: 796,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,498.45 : 1,389,006.09 = 576,861.49 : x
  2. Step 2: Convert to fraction form
    1,006,498.45/1,389,006.09 = 576,861.49/x
  3. Step 3: Cross multiply
    1,006,498.45x = 1,389,006.09 × 576,861.49
  4. Step 4: Simplify right side
    1,006,498.45x = 801,264,122,696.47
  5. Step 5: Solve for x
    x = 801,264,122,696.47/1,006,498.45
  6. Step 6: Final answer
    x = 796,090.77

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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.