Home / 1,310,387.49-1,808,317.42-759,178.33

Finding the Fourth Proportional to 1,310,387.49, 1,808,317.42 and 759,178.33

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Solution

The fourth proportional to 1,310,387.49, 1,808,317.42 and 759,178.33 is: 1,047,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,387.49 : 1,808,317.42 = 759,178.33 : x
  2. Step 2: Convert to fraction form
    1,310,387.49/1,808,317.42 = 759,178.33/x
  3. Step 3: Cross multiply
    1,310,387.49x = 1,808,317.42 × 759,178.33
  4. Step 4: Simplify right side
    1,310,387.49x = 1,372,835,392,606.77
  5. Step 5: Solve for x
    x = 1,372,835,392,606.77/1,310,387.49
  6. Step 6: Final answer
    x = 1,047,656.06

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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.