Home / 1,326,601.44-1,989,902.16-329,329.44

Finding the Fourth Proportional to 1,326,601.44, 1,989,902.16 and 329,329.44

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Solution

The fourth proportional to 1,326,601.44, 1,989,902.16 and 329,329.44 is: 493,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,601.44 : 1,989,902.16 = 329,329.44 : x
  2. Step 2: Convert to fraction form
    1,326,601.44/1,989,902.16 = 329,329.44/x
  3. Step 3: Cross multiply
    1,326,601.44x = 1,989,902.16 × 329,329.44
  4. Step 4: Simplify right side
    1,326,601.44x = 655,333,364,007.59
  5. Step 5: Solve for x
    x = 655,333,364,007.59/1,326,601.44
  6. Step 6: Final answer
    x = 493,994.16

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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.