Home / 1,095,322.18-1,638,986.73-646,258.18

Finding the Fourth Proportional to 1,095,322.18, 1,638,986.73 and 646,258.18

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Solution

The fourth proportional to 1,095,322.18, 1,638,986.73 and 646,258.18 is: 967,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,322.18 : 1,638,986.73 = 646,258.18 : x
  2. Step 2: Convert to fraction form
    1,095,322.18/1,638,986.73 = 646,258.18/x
  3. Step 3: Cross multiply
    1,095,322.18x = 1,638,986.73 × 646,258.18
  4. Step 4: Simplify right side
    1,095,322.18x = 1,059,208,581,173.95
  5. Step 5: Solve for x
    x = 1,059,208,581,173.95/1,095,322.18
  6. Step 6: Final answer
    x = 967,029.25

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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.