Home / 1,203,984.86-1,661,490.31-660,111.69

Finding the Fourth Proportional to 1,203,984.86, 1,661,490.31 and 660,111.69

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Solution

The fourth proportional to 1,203,984.86, 1,661,490.31 and 660,111.69 is: 910,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,984.86 : 1,661,490.31 = 660,111.69 : x
  2. Step 2: Convert to fraction form
    1,203,984.86/1,661,490.31 = 660,111.69/x
  3. Step 3: Cross multiply
    1,203,984.86x = 1,661,490.31 × 660,111.69
  4. Step 4: Simplify right side
    1,203,984.86x = 1,096,769,173,152.17
  5. Step 5: Solve for x
    x = 1,096,769,173,152.17/1,203,984.86
  6. Step 6: Final answer
    x = 910,949.31

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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.