Home / 1,336,770.70-2,005,447.65-390,064.30

Finding the Fourth Proportional to 1,336,770.70, 2,005,447.65 and 390,064.30

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Solution

The fourth proportional to 1,336,770.70, 2,005,447.65 and 390,064.30 is: 585,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,770.70 : 2,005,447.65 = 390,064.30 : x
  2. Step 2: Convert to fraction form
    1,336,770.70/2,005,447.65 = 390,064.30/x
  3. Step 3: Cross multiply
    1,336,770.70x = 2,005,447.65 × 390,064.30
  4. Step 4: Simplify right side
    1,336,770.70x = 782,253,533,783.90
  5. Step 5: Solve for x
    x = 782,253,533,783.90/1,336,770.70
  6. Step 6: Final answer
    x = 585,181.54

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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.