Home / 1,129,978.81-1,694,971.05-277,054.30

Finding the Fourth Proportional to 1,129,978.81, 1,694,971.05 and 277,054.30

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Solution

The fourth proportional to 1,129,978.81, 1,694,971.05 and 277,054.30 is: 415,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,978.81 : 1,694,971.05 = 277,054.30 : x
  2. Step 2: Convert to fraction form
    1,129,978.81/1,694,971.05 = 277,054.30/x
  3. Step 3: Cross multiply
    1,129,978.81x = 1,694,971.05 × 277,054.30
  4. Step 4: Simplify right side
    1,129,978.81x = 469,599,017,778.02
  5. Step 5: Solve for x
    x = 469,599,017,778.02/1,129,978.81
  6. Step 6: Final answer
    x = 415,582.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.