Home / 1,628,010.40-2,440,287.60-786,013.60

Finding the Fourth Proportional to 1,628,010.40, 2,440,287.60 and 786,013.60

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Solution

The fourth proportional to 1,628,010.40, 2,440,287.60 and 786,013.60 is: 1,178,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,010.40 : 2,440,287.60 = 786,013.60 : x
  2. Step 2: Convert to fraction form
    1,628,010.40/2,440,287.60 = 786,013.60/x
  3. Step 3: Cross multiply
    1,628,010.40x = 2,440,287.60 × 786,013.60
  4. Step 4: Simplify right side
    1,628,010.40x = 1,918,099,241,511.36
  5. Step 5: Solve for x
    x = 1,918,099,241,511.36/1,628,010.40
  6. Step 6: Final answer
    x = 1,178,186.11

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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.