Home / 1,310,725.59-1,808,685.99-729,904.83

Finding the Fourth Proportional to 1,310,725.59, 1,808,685.99 and 729,904.83

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Solution

The fourth proportional to 1,310,725.59, 1,808,685.99 and 729,904.83 is: 1,007,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,725.59 : 1,808,685.99 = 729,904.83 : x
  2. Step 2: Convert to fraction form
    1,310,725.59/1,808,685.99 = 729,904.83/x
  3. Step 3: Cross multiply
    1,310,725.59x = 1,808,685.99 × 729,904.83
  4. Step 4: Simplify right side
    1,310,725.59x = 1,320,168,640,054.33
  5. Step 5: Solve for x
    x = 1,320,168,640,054.33/1,310,725.59
  6. Step 6: Final answer
    x = 1,007,204.44

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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.