Home / 1,100,546.10-1,650,819.15-390,645.90

Finding the Fourth Proportional to 1,100,546.10, 1,650,819.15 and 390,645.90

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Solution

The fourth proportional to 1,100,546.10, 1,650,819.15 and 390,645.90 is: 585,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,546.10 : 1,650,819.15 = 390,645.90 : x
  2. Step 2: Convert to fraction form
    1,100,546.10/1,650,819.15 = 390,645.90/x
  3. Step 3: Cross multiply
    1,100,546.10x = 1,650,819.15 × 390,645.90
  4. Step 4: Simplify right side
    1,100,546.10x = 644,885,732,588.99
  5. Step 5: Solve for x
    x = 644,885,732,588.99/1,100,546.10
  6. Step 6: Final answer
    x = 585,968.85

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Double scale
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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.