Home / 1,102,163.20-1,653,244.80-472,307.20

Finding the Fourth Proportional to 1,102,163.20, 1,653,244.80 and 472,307.20

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Solution

The fourth proportional to 1,102,163.20, 1,653,244.80 and 472,307.20 is: 708,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,163.20 : 1,653,244.80 = 472,307.20 : x
  2. Step 2: Convert to fraction form
    1,102,163.20/1,653,244.80 = 472,307.20/x
  3. Step 3: Cross multiply
    1,102,163.20x = 1,653,244.80 × 472,307.20
  4. Step 4: Simplify right side
    1,102,163.20x = 780,839,422,402.56
  5. Step 5: Solve for x
    x = 780,839,422,402.56/1,102,163.20
  6. Step 6: Final answer
    x = 708,460.80

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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.