Home / 1,106,554.80-1,659,605.40-307,635.60

Finding the Fourth Proportional to 1,106,554.80, 1,659,605.40 and 307,635.60

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Solution

The fourth proportional to 1,106,554.80, 1,659,605.40 and 307,635.60 is: 461,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,554.80 : 1,659,605.40 = 307,635.60 : x
  2. Step 2: Convert to fraction form
    1,106,554.80/1,659,605.40 = 307,635.60/x
  3. Step 3: Cross multiply
    1,106,554.80x = 1,659,605.40 × 307,635.60
  4. Step 4: Simplify right side
    1,106,554.80x = 510,553,702,992.24
  5. Step 5: Solve for x
    x = 510,553,702,992.24/1,106,554.80
  6. Step 6: Final answer
    x = 461,390.35

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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.