Home / 1,223,610.40-1,835,415.60-382,247.20

Finding the Fourth Proportional to 1,223,610.40, 1,835,415.60 and 382,247.20

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Solution

The fourth proportional to 1,223,610.40, 1,835,415.60 and 382,247.20 is: 573,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,610.40 : 1,835,415.60 = 382,247.20 : x
  2. Step 2: Convert to fraction form
    1,223,610.40/1,835,415.60 = 382,247.20/x
  3. Step 3: Cross multiply
    1,223,610.40x = 1,835,415.60 × 382,247.20
  4. Step 4: Simplify right side
    1,223,610.40x = 701,582,473,936.32
  5. Step 5: Solve for x
    x = 701,582,473,936.32/1,223,610.40
  6. Step 6: Final answer
    x = 573,370.80

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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.