Home / 1,115,999.40-1,673,999.10-357,839.40

Finding the Fourth Proportional to 1,115,999.40, 1,673,999.10 and 357,839.40

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Solution

The fourth proportional to 1,115,999.40, 1,673,999.10 and 357,839.40 is: 536,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,999.40 : 1,673,999.10 = 357,839.40 : x
  2. Step 2: Convert to fraction form
    1,115,999.40/1,673,999.10 = 357,839.40/x
  3. Step 3: Cross multiply
    1,115,999.40x = 1,673,999.10 × 357,839.40
  4. Step 4: Simplify right side
    1,115,999.40x = 599,022,833,544.54
  5. Step 5: Solve for x
    x = 599,022,833,544.54/1,115,999.40
  6. Step 6: Final answer
    x = 536,759.10

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1.5x scale

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.