Home / 1,180,216.02-1,628,695.44-663,970.12

Finding the Fourth Proportional to 1,180,216.02, 1,628,695.44 and 663,970.12

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Solution

The fourth proportional to 1,180,216.02, 1,628,695.44 and 663,970.12 is: 916,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,216.02 : 1,628,695.44 = 663,970.12 : x
  2. Step 2: Convert to fraction form
    1,180,216.02/1,628,695.44 = 663,970.12/x
  3. Step 3: Cross multiply
    1,180,216.02x = 1,628,695.44 × 663,970.12
  4. Step 4: Simplify right side
    1,180,216.02x = 1,081,405,102,668.51
  5. Step 5: Solve for x
    x = 1,081,405,102,668.51/1,180,216.02
  6. Step 6: Final answer
    x = 916,277.26

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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.