Home / 1,336,593.90-2,004,890.85-390,060.30

Finding the Fourth Proportional to 1,336,593.90, 2,004,890.85 and 390,060.30

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Solution

The fourth proportional to 1,336,593.90, 2,004,890.85 and 390,060.30 is: 585,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,593.90 : 2,004,890.85 = 390,060.30 : x
  2. Step 2: Convert to fraction form
    1,336,593.90/2,004,890.85 = 390,060.30/x
  3. Step 3: Cross multiply
    1,336,593.90x = 2,004,890.85 × 390,060.30
  4. Step 4: Simplify right side
    1,336,593.90x = 782,028,326,418.26
  5. Step 5: Solve for x
    x = 782,028,326,418.26/1,336,593.90
  6. Step 6: Final answer
    x = 585,090.45

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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.