Home / 1,310,579.25-1,808,541.19-729,832.33

Finding the Fourth Proportional to 1,310,579.25, 1,808,541.19 and 729,832.33

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Solution

The fourth proportional to 1,310,579.25, 1,808,541.19 and 729,832.33 is: 1,007,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,579.25 : 1,808,541.19 = 729,832.33 : x
  2. Step 2: Convert to fraction form
    1,310,579.25/1,808,541.19 = 729,832.33/x
  3. Step 3: Cross multiply
    1,310,579.25x = 1,808,541.19 × 729,832.33
  4. Step 4: Simplify right side
    1,310,579.25x = 1,319,931,829,666.33
  5. Step 5: Solve for x
    x = 1,319,931,829,666.33/1,310,579.25
  6. Step 6: Final answer
    x = 1,007,136.22

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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.