Home / 1,750,507.20-2,625,760.80-420,811.20

Finding the Fourth Proportional to 1,750,507.20, 2,625,760.80 and 420,811.20

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Solution

The fourth proportional to 1,750,507.20, 2,625,760.80 and 420,811.20 is: 631,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,507.20 : 2,625,760.80 = 420,811.20 : x
  2. Step 2: Convert to fraction form
    1,750,507.20/2,625,760.80 = 420,811.20/x
  3. Step 3: Cross multiply
    1,750,507.20x = 2,625,760.80 × 420,811.20
  4. Step 4: Simplify right side
    1,750,507.20x = 1,104,949,553,160.96
  5. Step 5: Solve for x
    x = 1,104,949,553,160.96/1,750,507.20
  6. Step 6: Final answer
    x = 631,216.80

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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.