Home / 1,860,496.20-2,790,744.30-459,664.20

Finding the Fourth Proportional to 1,860,496.20, 2,790,744.30 and 459,664.20

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Solution

The fourth proportional to 1,860,496.20, 2,790,744.30 and 459,664.20 is: 689,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,496.20 : 2,790,744.30 = 459,664.20 : x
  2. Step 2: Convert to fraction form
    1,860,496.20/2,790,744.30 = 459,664.20/x
  3. Step 3: Cross multiply
    1,860,496.20x = 2,790,744.30 × 459,664.20
  4. Step 4: Simplify right side
    1,860,496.20x = 1,282,805,246,064.06
  5. Step 5: Solve for x
    x = 1,282,805,246,064.06/1,860,496.20
  6. Step 6: Final answer
    x = 689,496.30

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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.