Home / 1,104,243.20-1,656,364.80-356,289.20

Finding the Fourth Proportional to 1,104,243.20, 1,656,364.80 and 356,289.20

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Solution

The fourth proportional to 1,104,243.20, 1,656,364.80 and 356,289.20 is: 534,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,243.20 : 1,656,364.80 = 356,289.20 : x
  2. Step 2: Convert to fraction form
    1,104,243.20/1,656,364.80 = 356,289.20/x
  3. Step 3: Cross multiply
    1,104,243.20x = 1,656,364.80 × 356,289.20
  4. Step 4: Simplify right side
    1,104,243.20x = 590,144,889,500.16
  5. Step 5: Solve for x
    x = 590,144,889,500.16/1,104,243.20
  6. Step 6: Final answer
    x = 534,433.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.