Home / 1,360,936.26-1,877,969.85-788,015.22

Finding the Fourth Proportional to 1,360,936.26, 1,877,969.85 and 788,015.22

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Solution

The fourth proportional to 1,360,936.26, 1,877,969.85 and 788,015.22 is: 1,087,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,936.26 : 1,877,969.85 = 788,015.22 : x
  2. Step 2: Convert to fraction form
    1,360,936.26/1,877,969.85 = 788,015.22/x
  3. Step 3: Cross multiply
    1,360,936.26x = 1,877,969.85 × 788,015.22
  4. Step 4: Simplify right side
    1,360,936.26x = 1,479,868,824,501.12
  5. Step 5: Solve for x
    x = 1,479,868,824,501.12/1,360,936.26
  6. Step 6: Final answer
    x = 1,087,390.25

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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.