Home / 1,017,921.20-1,527,054.60-307,943.60

Finding the Fourth Proportional to 1,017,921.20, 1,527,054.60 and 307,943.60

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Solution

The fourth proportional to 1,017,921.20, 1,527,054.60 and 307,943.60 is: 461,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,921.20 : 1,527,054.60 = 307,943.60 : x
  2. Step 2: Convert to fraction form
    1,017,921.20/1,527,054.60 = 307,943.60/x
  3. Step 3: Cross multiply
    1,017,921.20x = 1,527,054.60 × 307,943.60
  4. Step 4: Simplify right side
    1,017,921.20x = 470,246,690,920.56
  5. Step 5: Solve for x
    x = 470,246,690,920.56/1,017,921.20
  6. Step 6: Final answer
    x = 461,967.68

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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.