Home / 1,110,085.90-1,665,793.16-478,999.74

Finding the Fourth Proportional to 1,110,085.90, 1,665,793.16 and 478,999.74

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Solution

The fourth proportional to 1,110,085.90, 1,665,793.16 and 478,999.74 is: 718,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,085.90 : 1,665,793.16 = 478,999.74 : x
  2. Step 2: Convert to fraction form
    1,110,085.90/1,665,793.16 = 478,999.74/x
  3. Step 3: Cross multiply
    1,110,085.90x = 1,665,793.16 × 478,999.74
  4. Step 4: Simplify right side
    1,110,085.90x = 797,914,490,533.78
  5. Step 5: Solve for x
    x = 797,914,490,533.78/1,110,085.90
  6. Step 6: Final answer
    x = 718,786.26

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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.