Home / 1,229,237.02-1,696,223.46-685,322.02

Finding the Fourth Proportional to 1,229,237.02, 1,696,223.46 and 685,322.02

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Solution

The fourth proportional to 1,229,237.02, 1,696,223.46 and 685,322.02 is: 945,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,237.02 : 1,696,223.46 = 685,322.02 : x
  2. Step 2: Convert to fraction form
    1,229,237.02/1,696,223.46 = 685,322.02/x
  3. Step 3: Cross multiply
    1,229,237.02x = 1,696,223.46 × 685,322.02
  4. Step 4: Simplify right side
    1,229,237.02x = 1,162,459,287,978.59
  5. Step 5: Solve for x
    x = 1,162,459,287,978.59/1,229,237.02
  6. Step 6: Final answer
    x = 945,675.46

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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.