Home / 1,102,662.80-1,653,994.20-471,640.40

Finding the Fourth Proportional to 1,102,662.80, 1,653,994.20 and 471,640.40

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Solution

The fourth proportional to 1,102,662.80, 1,653,994.20 and 471,640.40 is: 707,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,662.80 : 1,653,994.20 = 471,640.40 : x
  2. Step 2: Convert to fraction form
    1,102,662.80/1,653,994.20 = 471,640.40/x
  3. Step 3: Cross multiply
    1,102,662.80x = 1,653,994.20 × 471,640.40
  4. Step 4: Simplify right side
    1,102,662.80x = 780,090,486,085.68
  5. Step 5: Solve for x
    x = 780,090,486,085.68/1,102,662.80
  6. Step 6: Final answer
    x = 707,460.60

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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.