Home / 1,115,489.40-1,672,064.44-546,085.32

Finding the Fourth Proportional to 1,115,489.40, 1,672,064.44 and 546,085.32

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Solution

The fourth proportional to 1,115,489.40, 1,672,064.44 and 546,085.32 is: 818,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,489.40 : 1,672,064.44 = 546,085.32 : x
  2. Step 2: Convert to fraction form
    1,115,489.40/1,672,064.44 = 546,085.32/x
  3. Step 3: Cross multiply
    1,115,489.40x = 1,672,064.44 × 546,085.32
  4. Step 4: Simplify right side
    1,115,489.40x = 913,089,844,778.02
  5. Step 5: Solve for x
    x = 913,089,844,778.02/1,115,489.40
  6. Step 6: Final answer
    x = 818,555.38

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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.