Home / 1,095,142.68-1,638,717.48-646,078.68

Finding the Fourth Proportional to 1,095,142.68, 1,638,717.48 and 646,078.68

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Solution

The fourth proportional to 1,095,142.68, 1,638,717.48 and 646,078.68 is: 966,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,142.68 : 1,638,717.48 = 646,078.68 : x
  2. Step 2: Convert to fraction form
    1,095,142.68/1,638,717.48 = 646,078.68/x
  3. Step 3: Cross multiply
    1,095,142.68x = 1,638,717.48 × 646,078.68
  4. Step 4: Simplify right side
    1,095,142.68x = 1,058,740,426,371.33
  5. Step 5: Solve for x
    x = 1,058,740,426,371.33/1,095,142.68
  6. Step 6: Final answer
    x = 966,760.26

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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.