Home / 977,786.20-1,464,929.70-827,320.60

Finding the Fourth Proportional to 977,786.20, 1,464,929.70 and 827,320.60

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Solution

The fourth proportional to 977,786.20, 1,464,929.70 and 827,320.60 is: 1,239,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,786.20 : 1,464,929.70 = 827,320.60 : x
  2. Step 2: Convert to fraction form
    977,786.20/1,464,929.70 = 827,320.60/x
  3. Step 3: Cross multiply
    977,786.20x = 1,464,929.70 × 827,320.60
  4. Step 4: Simplify right side
    977,786.20x = 1,211,966,518,361.82
  5. Step 5: Solve for x
    x = 1,211,966,518,361.82/977,786.20
  6. Step 6: Final answer
    x = 1,239,500.54

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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.