Home / 1,203,949.48-1,661,442.96-660,108.28

Finding the Fourth Proportional to 1,203,949.48, 1,661,442.96 and 660,108.28

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Solution

The fourth proportional to 1,203,949.48, 1,661,442.96 and 660,108.28 is: 910,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,949.48 : 1,661,442.96 = 660,108.28 : x
  2. Step 2: Convert to fraction form
    1,203,949.48/1,661,442.96 = 660,108.28/x
  3. Step 3: Cross multiply
    1,203,949.48x = 1,661,442.96 × 660,108.28
  4. Step 4: Simplify right side
    1,203,949.48x = 1,096,732,254,643.71
  5. Step 5: Solve for x
    x = 1,096,732,254,643.71/1,203,949.48
  6. Step 6: Final answer
    x = 910,945.41

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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.