Home / 1,645,409.20-2,465,464.20-933,319.60

Finding the Fourth Proportional to 1,645,409.20, 2,465,464.20 and 933,319.60

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Solution

The fourth proportional to 1,645,409.20, 2,465,464.20 and 933,319.60 is: 1,398,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,409.20 : 2,465,464.20 = 933,319.60 : x
  2. Step 2: Convert to fraction form
    1,645,409.20/2,465,464.20 = 933,319.60/x
  3. Step 3: Cross multiply
    1,645,409.20x = 2,465,464.20 × 933,319.60
  4. Step 4: Simplify right side
    1,645,409.20x = 2,301,066,060,958.32
  5. Step 5: Solve for x
    x = 2,301,066,060,958.32/1,645,409.20
  6. Step 6: Final answer
    x = 1,398,476.48

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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.