Home / 977,775.20-1,464,913.20-827,309.60

Finding the Fourth Proportional to 977,775.20, 1,464,913.20 and 827,309.60

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Solution

The fourth proportional to 977,775.20, 1,464,913.20 and 827,309.60 is: 1,239,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,775.20 : 1,464,913.20 = 827,309.60 : x
  2. Step 2: Convert to fraction form
    977,775.20/1,464,913.20 = 827,309.60/x
  3. Step 3: Cross multiply
    977,775.20x = 1,464,913.20 × 827,309.60
  4. Step 4: Simplify right side
    977,775.20x = 1,211,936,753,526.72
  5. Step 5: Solve for x
    x = 1,211,936,753,526.72/977,775.20
  6. Step 6: Final answer
    x = 1,239,484.04

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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.