Home / 1,232,834.40-1,848,085.20-727,783.20

Finding the Fourth Proportional to 1,232,834.40, 1,848,085.20 and 727,783.20

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Solution

The fourth proportional to 1,232,834.40, 1,848,085.20 and 727,783.20 is: 1,090,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,834.40 : 1,848,085.20 = 727,783.20 : x
  2. Step 2: Convert to fraction form
    1,232,834.40/1,848,085.20 = 727,783.20/x
  3. Step 3: Cross multiply
    1,232,834.40x = 1,848,085.20 × 727,783.20
  4. Step 4: Simplify right side
    1,232,834.40x = 1,345,005,360,728.64
  5. Step 5: Solve for x
    x = 1,345,005,360,728.64/1,232,834.40
  6. Step 6: Final answer
    x = 1,090,986.24

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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.