Home / 917,056.80-1,375,585.20-806,464.80

Finding the Fourth Proportional to 917,056.80, 1,375,585.20 and 806,464.80

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Solution

The fourth proportional to 917,056.80, 1,375,585.20 and 806,464.80 is: 1,209,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,056.80 : 1,375,585.20 = 806,464.80 : x
  2. Step 2: Convert to fraction form
    917,056.80/1,375,585.20 = 806,464.80/x
  3. Step 3: Cross multiply
    917,056.80x = 1,375,585.20 × 806,464.80
  4. Step 4: Simplify right side
    917,056.80x = 1,109,361,043,200.96
  5. Step 5: Solve for x
    x = 1,109,361,043,200.96/917,056.80
  6. Step 6: Final answer
    x = 1,209,697.20

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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.