Home / 1,210,190.40-1,815,285.60-499,982.40

Finding the Fourth Proportional to 1,210,190.40, 1,815,285.60 and 499,982.40

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Solution

The fourth proportional to 1,210,190.40, 1,815,285.60 and 499,982.40 is: 749,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,190.40 : 1,815,285.60 = 499,982.40 : x
  2. Step 2: Convert to fraction form
    1,210,190.40/1,815,285.60 = 499,982.40/x
  3. Step 3: Cross multiply
    1,210,190.40x = 1,815,285.60 × 499,982.40
  4. Step 4: Simplify right side
    1,210,190.40x = 907,610,850,973.44
  5. Step 5: Solve for x
    x = 907,610,850,973.44/1,210,190.40
  6. Step 6: Final answer
    x = 749,973.60

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Similar ratio
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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.