Home / 1,190,849.02-1,643,362.79-646,989.27

Finding the Fourth Proportional to 1,190,849.02, 1,643,362.79 and 646,989.27

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Solution

The fourth proportional to 1,190,849.02, 1,643,362.79 and 646,989.27 is: 892,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,849.02 : 1,643,362.79 = 646,989.27 : x
  2. Step 2: Convert to fraction form
    1,190,849.02/1,643,362.79 = 646,989.27/x
  3. Step 3: Cross multiply
    1,190,849.02x = 1,643,362.79 × 646,989.27
  4. Step 4: Simplify right side
    1,190,849.02x = 1,063,238,088,612.32
  5. Step 5: Solve for x
    x = 1,063,238,088,612.32/1,190,849.02
  6. Step 6: Final answer
    x = 892,840.38

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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.