Home / 1,090,436.23-1,635,916.79-459,530.47

Finding the Fourth Proportional to 1,090,436.23, 1,635,916.79 and 459,530.47

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Solution

The fourth proportional to 1,090,436.23, 1,635,916.79 and 459,530.47 is: 689,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,436.23 : 1,635,916.79 = 459,530.47 : x
  2. Step 2: Convert to fraction form
    1,090,436.23/1,635,916.79 = 459,530.47/x
  3. Step 3: Cross multiply
    1,090,436.23x = 1,635,916.79 × 459,530.47
  4. Step 4: Simplify right side
    1,090,436.23x = 751,753,609,091.94
  5. Step 5: Solve for x
    x = 751,753,609,091.94/1,090,436.23
  6. Step 6: Final answer
    x = 689,406.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.