Home / 1,359,814.48-2,039,382.60-400,079.12

Finding the Fourth Proportional to 1,359,814.48, 2,039,382.60 and 400,079.12

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Solution

The fourth proportional to 1,359,814.48, 2,039,382.60 and 400,079.12 is: 600,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,814.48 : 2,039,382.60 = 400,079.12 : x
  2. Step 2: Convert to fraction form
    1,359,814.48/2,039,382.60 = 400,079.12/x
  3. Step 3: Cross multiply
    1,359,814.48x = 2,039,382.60 × 400,079.12
  4. Step 4: Simplify right side
    1,359,814.48x = 815,914,395,951.31
  5. Step 5: Solve for x
    x = 815,914,395,951.31/1,359,814.48
  6. Step 6: Final answer
    x = 600,018.91

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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.