Home / 741,643.20-1,114,797.60-727,646.40

Finding the Fourth Proportional to 741,643.20, 1,114,797.60 and 727,646.40

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Solution

The fourth proportional to 741,643.20, 1,114,797.60 and 727,646.40 is: 1,093,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,643.20 : 1,114,797.60 = 727,646.40 : x
  2. Step 2: Convert to fraction form
    741,643.20/1,114,797.60 = 727,646.40/x
  3. Step 3: Cross multiply
    741,643.20x = 1,114,797.60 × 727,646.40
  4. Step 4: Simplify right side
    741,643.20x = 811,178,460,368.64
  5. Step 5: Solve for x
    x = 811,178,460,368.64/741,643.20
  6. Step 6: Final answer
    x = 1,093,758.37

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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.