Home / 1,029,214.36-1,543,851.78-878,504.32

Finding the Fourth Proportional to 1,029,214.36, 1,543,851.78 and 878,504.32

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Solution

The fourth proportional to 1,029,214.36, 1,543,851.78 and 878,504.32 is: 1,317,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,214.36 : 1,543,851.78 = 878,504.32 : x
  2. Step 2: Convert to fraction form
    1,029,214.36/1,543,851.78 = 878,504.32/x
  3. Step 3: Cross multiply
    1,029,214.36x = 1,543,851.78 × 878,504.32
  4. Step 4: Simplify right side
    1,029,214.36x = 1,356,280,458,169.69
  5. Step 5: Solve for x
    x = 1,356,280,458,169.69/1,029,214.36
  6. Step 6: Final answer
    x = 1,317,782.29

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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.